322 Hand Operated Stool

Blue, pnuematic stool with wheels MTI 322 series.

322 Hand Operated Stool

The 322 Hand Operated Stool is MTI’s premium line stool seating. This stool has a chrome base for a more polished appearance. Seat height easily adjusts to your most comfortable working position using a hand lever. Dual wheel casters make it easy to maneuver quietly over all types of surfaces without damaging or marring the floor. Treat yourself to a soft and supportive seat with MTI’s premium line of seating.

Control: pneumatic hand lever
Base: chrome
Backrest: no (see 323 Stool)
Seat Width: 16.5”
Seat Height: 18.25-24.5”
Upholstery: smooth
Weight Capacity: 300 lbs.
5 Casters: hard rubber or optional urethane tread
Accessories: multiple options (see details below)

Request a Quote Book a Demo

Seat Diameter: 16.5"
Height: 18.25 - 24.5"
Weight Capacity: 300 lbs.
Base Options: Chrome
Actuation Style: Hand Actuated
Backrest: No Backrest
Actuation Type: Pneumatic Lift

Blue Ridge

A beacon of strength, Premium Upholstery is both aesthetically pleasing and delightfully durable. Designed to complement any space and bring comfort to anyone in any MTI chair, stool and side chair. MTI's Premium Upholstery is FR free (fire-retardant free), compliant to California AB-2998 and has been formulated to be easily disinfected with sanitizing products containing sodium hypochlorite (common household bleach) diluted 1:10. Premium Upholstery is manufactured to meet the following specifications:

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117-2013

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Diplomat Blue

Ultraleather^® Upholstery colors are a PVC-free material, offer the look and feel of leather, and are a more durable surface. High-tech strengthening components give it longevity, and its exceptional durability and effortless cleaning make Ultraleather an ideal surface for high wear applications while staying soft and supple. Earth Friendly Ultraleather^®not only looks and feels great, it’s also environmentally friendly. It doesn’t contain plasticizers, heavy metals, or stabilizers; and is 100% free of VOCs, POPs, and formaldehyde. Ultraleather^® cleans effortlessly with soap and water. Most stains can be lifted with an alcohol-based solutions such as Fantastik^® and Formula 409®. Standard Ultraleather Upholstery achieves a superior level of disinfectability with disinfectant products containing sodium hypochlorite (common household bleach) diluted 1:5. Ultraleather^® Upholstery is manufactured to meet the following specifications:

California AB 2998

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117

California Tech Bulletin #133*

Automotive (FMVSS-302)

Abrasion Standards

Abrasion #10 Cotton Duck: 400,000 double rubs (ASTM D 4157)

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Midnight Blue

A beacon of strength, Premium Upholstery is both aesthetically pleasing and delightfully durable. Designed to complement any space and bring comfort to anyone in any MTI chair, stool and side chair. MTI's Premium Upholstery is FR free (fire-retardant free), compliant to California AB-2998 and has been formulated to be easily disinfected with sanitizing products containing sodium hypochlorite (common household bleach) diluted 1:10. Premium Upholstery is manufactured to meet the following specifications:

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117-2013

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Arctic

Ultraleather^® Upholstery colors are a PVC-free material, offer the look and feel of leather, and are a more durable surface. High-tech strengthening components give it longevity, and its exceptional durability and effortless cleaning make Ultraleather an ideal surface for high wear applications while staying soft and supple. Earth Friendly Ultraleather^®not only looks and feels great, it’s also environmentally friendly. It doesn’t contain plasticizers, heavy metals, or stabilizers; and is 100% free of VOCs, POPs, and formaldehyde. Ultraleather^® cleans effortlessly with soap and water. Most stains can be lifted with an alcohol-based solutions such as Fantastik^® and Formula 409®. Standard Ultraleather Upholstery achieves a superior level of disinfectability with disinfectant products containing sodium hypochlorite (common household bleach) diluted 1:5. Ultraleather^® Upholstery is manufactured to meet the following specifications:

California AB 2998

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117

California Tech Bulletin #133*

Automotive (FMVSS-302)

Abrasion Standards

Abrasion #10 Cotton Duck: 400,000 double rubs (ASTM D 4157)

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Taupe

A beacon of strength, Premium Upholstery is both aesthetically pleasing and delightfully durable. Designed to complement any space and bring comfort to anyone in any MTI chair, stool and side chair. MTI's Premium Upholstery is FR free (fire-retardant free), compliant to California AB-2998 and has been formulated to be easily disinfected with sanitizing products containing sodium hypochlorite (common household bleach) diluted 1:10. Premium Upholstery is manufactured to meet the following specifications:

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117-2013

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Beach

MTI's Premium Upholstery is FR free (fire-retardant free), compliant to California AB-2998 and has been formulated to be easily disinfected with sanitizing products containing sodium hypochlorite (common household bleach) diluted 1:10. Premium Upholstery is manufactured to meet the following specifications:

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117-2013

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Buff

Earth Friendly Ultraleather^®not only looks and feels great, it’s also environmentally friendly. It doesn’t contain plasticizers, heavy metals, or stabilizers; and is 100% free of VOCs, POPs, and formaldehyde. Ultraleather^® cleans effortlessly with soap and water. Most stains can be lifted with an alcohol-based solutions such as Fantastik^® and Formula 409®. Standard Ultraleather Upholstery achieves a superior level of disinfectability with disinfectant products containing sodium hypochlorite (common household bleach) diluted 1:5. Ultraleather^® Upholstery is manufactured to meet the following specifications:

California AB 2998

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117

California Tech Bulletin #133*

Automotive (FMVSS-302)

Abrasion Standards

Abrasion #10 Cotton Duck: 400,000 double rubs (ASTM D 4157)

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Papyrus

Ultraleather^® Upholstery colors are a PVC-free material, offer the look and feel of leather, and are a more durable surface. High-tech strengthening components give it longevity, and its exceptional durability and effortless cleaning make Ultraleather an ideal surface for high wear applications while staying soft and supple. Earth Friendly Ultraleather^®not only looks and feels great, it’s also environmentally friendly. It doesn’t contain plasticizers, heavy metals, or stabilizers; and is 100% free of VOCs, POPs, and formaldehyde. Ultraleather^® cleans effortlessly with soap and water. Most stains can be lifted with an alcohol-based solutions such as Fantastik^® and Formula 409®. Standard Ultraleather Upholstery achieves a superior level of disinfectability with disinfectant products containing sodium hypochlorite (common household bleach) diluted 1:5. Ultraleather^® Upholstery is manufactured to meet the following specifications:

California AB 2998

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117

California Tech Bulletin #133*

Automotive (FMVSS-302)

Abrasion Standards

Abrasion #10 Cotton Duck: 400,000 double rubs (ASTM D 4157)

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Pine Cone

Ultraleather^® Upholstery colors are a PVC-free material, offer the look and feel of leather, and are a more durable surface. High-tech strengthening components give it longevity, and its exceptional durability and effortless cleaning make Ultraleather an ideal surface for high wear applications while staying soft and supple. Earth Friendly Ultraleather^®not only looks and feels great, it’s also environmentally friendly. It doesn’t contain plasticizers, heavy metals, or stabilizers; and is 100% free of VOCs, POPs, and formaldehyde. Ultraleather^® cleans effortlessly with soap and water. Most stains can be lifted with an alcohol-based solutions such as Fantastik^® and Formula 409®. Standard Ultraleather Upholstery achieves a superior level of disinfectability with disinfectant products containing sodium hypochlorite (common household bleach) diluted 1:5. Ultraleather^® Upholstery is manufactured to meet the following specifications:

California AB 2998

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117

California Tech Bulletin #133*

Automotive (FMVSS-302)

Abrasion Standards

Abrasion #10 Cotton Duck: 400,000 double rubs (ASTM D 4157)

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Gunmetal

A beacon of strength, Premium Upholstery is both aesthetically pleasing and delightfully durable. Designed to complement any space and bring comfort to anyone in any MTI chair, stool and side chair. MTI's Premium Upholstery is FR free (fire-retardant free), compliant to California AB-2998 and has been formulated to be easily disinfected with sanitizing products containing sodium hypochlorite (common household bleach) diluted 1:10. Premium Upholstery is manufactured to meet the following specifications:

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117-2013

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Laramie

MTI's Premium Upholstery is FR free (fire-retardant free), compliant to California AB-2998 and has been formulated to be easily disinfected with sanitizing products containing sodium hypochlorite (common household bleach) diluted 1:10. Premium Upholstery is manufactured to meet the following specifications:

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117-2013

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Walnut

Earth Friendly Ultraleather^®not only looks and feels great, it’s also environmentally friendly. It doesn’t contain plasticizers, heavy metals, or stabilizers; and is 100% free of VOCs, POPs, and formaldehyde. Ultraleather^® cleans effortlessly with soap and water. Most stains can be lifted with an alcohol-based solutions such as Fantastik^® and Formula 409®. Standard Ultraleather Upholstery achieves a superior level of disinfectability with disinfectant products containing sodium hypochlorite (common household bleach) diluted 1:5. Ultraleather^® Upholstery is manufactured to meet the following specifications:

California AB 2998

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117

California Tech Bulletin #133*

Automotive (FMVSS-302)

Abrasion Standards

Abrasion #10 Cotton Duck: 400,000 double rubs (ASTM D 4157)

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Mocha

A beacon of strength, Premium Upholstery is both aesthetically pleasing and delightfully durable. Designed to complement any space and bring comfort to anyone in any MTI chair, stool and side chair. MTI's Premium Upholstery is FR free (fire-retardant free), compliant to California AB-2998 and has been formulated to be easily disinfected with sanitizing products containing sodium hypochlorite (common household bleach) diluted 1:10. Premium Upholstery is manufactured to meet the following specifications:

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117-2013

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Silver Pearl

Ultraleather^® Upholstery colors are a PVC-free material, offer the look and feel of leather, and are a more durable surface. High-tech strengthening components give it longevity, and its exceptional durability and effortless cleaning make Ultraleather an ideal surface for high wear applications while staying soft and supple. Earth Friendly Ultraleather^®not only looks and feels great, it’s also environmentally friendly. It doesn’t contain plasticizers, heavy metals, or stabilizers; and is 100% free of VOCs, POPs, and formaldehyde. Ultraleather^® cleans effortlessly with soap and water. Most stains can be lifted with an alcohol-based solutions such as Fantastik^® and Formula 409®. Standard Ultraleather Upholstery achieves a superior level of disinfectability with disinfectant products containing sodium hypochlorite (common household bleach) diluted 1:5. Ultraleather^® Upholstery is manufactured to meet the following specifications:

California AB 2998

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117

California Tech Bulletin #133*

Automotive (FMVSS-302)

Abrasion Standards

Abrasion #10 Cotton Duck: 400,000 double rubs (ASTM D 4157)

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Dove Grey

Ultraleather^® Upholstery colors are a PVC-free material, offer the look and feel of leather, and are a more durable surface. High-tech strengthening components give it longevity, and its exceptional durability and effortless cleaning make Ultraleather an ideal surface for high wear applications while staying soft and supple. Earth Friendly Ultraleather^®not only looks and feels great, it’s also environmentally friendly. It doesn’t contain plasticizers, heavy metals, or stabilizers; and is 100% free of VOCs, POPs, and formaldehyde. Ultraleather^® cleans effortlessly with soap and water. Most stains can be lifted with an alcohol-based solutions such as Fantastik^® and Formula 409®. Standard Ultraleather Upholstery achieves a superior level of disinfectability with disinfectant products containing sodium hypochlorite (common household bleach) diluted 1:5. Ultraleather^® Upholstery is manufactured to meet the following specifications:

California AB 2998

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117

California Tech Bulletin #133*

Automotive (FMVSS-302)

Abrasion Standards

Abrasion #10 Cotton Duck: 400,000 double rubs (ASTM D 4157)

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Dove

A beacon of strength, Premium Upholstery is both aesthetically pleasing and delightfully durable. Designed to complement any space and bring comfort to anyone in any MTI chair, stool and side chair. MTI's Premium Upholstery is FR free (fire-retardant free), compliant to California AB-2998 and has been formulated to be easily disinfected with sanitizing products containing sodium hypochlorite (common household bleach) diluted 1:10. Premium Upholstery is manufactured to meet the following specifications:

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117-2013

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Slate

A beacon of strength, Premium Upholstery is both aesthetically pleasing and delightfully durable. Designed to complement any space and bring comfort to anyone in any MTI chair, stool and side chair. MTI's Premium Upholstery is FR free (fire-retardant free), compliant to California AB-2998 and has been formulated to be easily disinfected with sanitizing products containing sodium hypochlorite (common household bleach) diluted 1:10. Premium Upholstery is manufactured to meet the following specifications:

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117-2013

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Schooner

Ultraleather^® Upholstery colors are a PVC-free material, offer the look and feel of leather, and are a more durable surface. High-tech strengthening components give it longevity, and its exceptional durability and effortless cleaning make Ultraleather an ideal surface for high wear applications while staying soft and supple. Earth Friendly Ultraleather^®not only looks and feels great, it’s also environmentally friendly. It doesn’t contain plasticizers, heavy metals, or stabilizers; and is 100% free of VOCs, POPs, and formaldehyde. Ultraleather^® cleans effortlessly with soap and water. Most stains can be lifted with an alcohol-based solutions such as Fantastik^® and Formula 409®. Standard Ultraleather Upholstery achieves a superior level of disinfectability with disinfectant products containing sodium hypochlorite (common household bleach) diluted 1:5. Ultraleather^® Upholstery is manufactured to meet the following specifications:

California AB 2998

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117

California Tech Bulletin #133*

Automotive (FMVSS-302)

Abrasion Standards

Abrasion #10 Cotton Duck: 400,000 double rubs (ASTM D 4157)

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Raven Wing

Ultraleather^® Upholstery colors are a PVC-free material, offer the look and feel of leather, and are a more durable surface. High-tech strengthening components give it longevity, and its exceptional durability and effortless cleaning make Ultraleather an ideal surface for high wear applications while staying soft and supple. Earth Friendly Ultraleather^®not only looks and feels great, it’s also environmentally friendly. It doesn’t contain plasticizers, heavy metals, or stabilizers; and is 100% free of VOCs, POPs, and formaldehyde. Ultraleather^® cleans effortlessly with soap and water. Most stains can be lifted with an alcohol-based solutions such as Fantastik^® and Formula 409®. Standard Ultraleather Upholstery achieves a superior level of disinfectability with disinfectant products containing sodium hypochlorite (common household bleach) diluted 1:5. Ultraleather^® Upholstery is manufactured to meet the following specifications:

California AB 2998

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117

California Tech Bulletin #133*

Automotive (FMVSS-302)

Abrasion Standards

Abrasion #10 Cotton Duck: 400,000 double rubs (ASTM D 4157)

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Black

A beacon of strength, Premium Upholstery is both aesthetically pleasing and delightfully durable. Designed to complement any space and bring comfort to anyone in any MTI chair, stool and side chair. MTI's Premium Upholstery is FR free (fire-retardant free), compliant to California AB-2998 and has been formulated to be easily disinfected with sanitizing products containing sodium hypochlorite (common household bleach) diluted 1:10. Premium Upholstery is manufactured to meet the following specifications:

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117-2013

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Port

MTI's Premium Upholstery is FR free (fire-retardant free), compliant to California AB-2998 and has been formulated to be easily disinfected with sanitizing products containing sodium hypochlorite (common household bleach) diluted 1:10. Premium Upholstery is manufactured to meet the following specifications:

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117-2013

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Chianti

Earth Friendly Ultraleather^®not only looks and feels great, it’s also environmentally friendly. It doesn’t contain plasticizers, heavy metals, or stabilizers; and is 100% free of VOCs, POPs, and formaldehyde. Ultraleather^® cleans effortlessly with soap and water. Most stains can be lifted with an alcohol-based solutions such as Fantastik^® and Formula 409®. Standard Ultraleather Upholstery achieves a superior level of disinfectability with disinfectant products containing sodium hypochlorite (common household bleach) diluted 1:5. Ultraleather^® Upholstery is manufactured to meet the following specifications:

California AB 2998

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117

California Tech Bulletin #133*

Automotive (FMVSS-302)

Abrasion Standards

Abrasion #10 Cotton Duck: 400,000 double rubs (ASTM D 4157)

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Burgundy

A beacon of strength, Premium Upholstery is both aesthetically pleasing and delightfully durable. Designed to complement any space and bring comfort to anyone in any MTI chair, stool and side chair.

MTI's Premium Upholstery is FR free (fire-retardant free), compliant to California AB-2998 and has been formulated to be easily disinfected with sanitizing products containing sodium hypochlorite (common household bleach) diluted 1:10.

Premium Upholstery is manufactured to meet the following specifications:

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117-2013

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Garnet

Ultraleather^® Upholstery colors are a PVC-free material, offer the look and feel of leather, and are a more durable surface. High-tech strengthening components give it longevity, and its exceptional durability and effortless cleaning make Ultraleather an ideal surface for high wear applications while staying soft and supple. Earth Friendly Ultraleather^®not only looks and feels great, it’s also environmentally friendly. It doesn’t contain plasticizers, heavy metals, or stabilizers; and is 100% free of VOCs, POPs, and formaldehyde. Ultraleather^® cleans effortlessly with soap and water. Most stains can be lifted with an alcohol-based solutions such as Fantastik^® and Formula 409®. Standard Ultraleather Upholstery achieves a superior level of disinfectability with disinfectant products containing sodium hypochlorite (common household bleach) diluted 1:5. Ultraleather^® Upholstery is manufactured to meet the following specifications:

California AB 2998

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117

California Tech Bulletin #133*

Automotive (FMVSS-302)

Abrasion Standards

Abrasion #10 Cotton Duck: 400,000 double rubs (ASTM D 4157)

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Pine Forest

MTI's Premium Upholstery is FR free (fire-retardant free), compliant to California AB-2998 and has been formulated to be easily disinfected with sanitizing products containing sodium hypochlorite (common household bleach) diluted 1:10. Premium Upholstery is manufactured to meet the following specifications:

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117-2013

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.
Orchard

Earth Friendly Ultraleather^®not only looks and feels great, it’s also environmentally friendly. It doesn’t contain plasticizers, heavy metals, or stabilizers; and is 100% free of VOCs, POPs, and formaldehyde. Ultraleather^® cleans effortlessly with soap and water. Most stains can be lifted with an alcohol-based solutions such as Fantastik^® and Formula 409®. Standard Ultraleather Upholstery achieves a superior level of disinfectability with disinfectant products containing sodium hypochlorite (common household bleach) diluted 1:5. Ultraleather^® Upholstery is manufactured to meet the following specifications:

California AB 2998

Boston Fire Code-Test BFD 1X-1*

California Tech Bulletin #117

California Tech Bulletin #133*

Automotive (FMVSS-302)

Abrasion Standards

Abrasion #10 Cotton Duck: 400,000 double rubs (ASTM D 4157)

*When TB133 option for upholstery is purchased. NOTE: Due to the nature of electronic media, the color of the actual upholstery may vary slightly from how they appear on your particular monitor.

6” Stool Extension

The 6” Lab Height Extension tube raises the stool up 6”.

> Available only for stool models 320, 321, 322, 323, and 324 pneumatic hand operated stools.
Foot Ring

The adjustable foot ring provides a rest for your feet during procedures where the chair seat is too high for you to reach the floor.

Available only for stool models 320, 321, 322, 323, and 324 pneumatic hand operated stools.
Locking Dual Wheel Casters

Locking dual wheel casters make it easy to maneuver quietly and smoothly over all types of surfaces and without damaging or marring the floor.
Stationary Glides

If you don't need to roll your chair from one location to another and want the chair not to roll around, choose the glides as your option.

Fire Barrier (CAL-133)

MTI's TB133 option meets the California Technical Bulletin #133 (CAL-133) for flammability testing for seating furniture for use in public occupancies. MTI achieves compliance without the use of flame retardants. This option can be added to any upholstered item containing foam.