Science Lab Stools
35 resultsSafcoĀ® Lab stool in black color has chrome finished lift. Stool feature polyurethane seat to provide comfortness..Labstool.Vinyl top.Black seat.16" - 21"H x 18"Dia..Durable and comfortable vinyl upholstered stool is antimicrobial protected.Pneumatic seat adjustment: 16"-21".Seat: 13 1/2" diameter.Partially assembled.SafcoĀ® Limited Lifetime Warranty.SafcoĀ® Lab stool in black color features anti-microbial and has aluminum base that offers durability.
Use the convenient lift handle located just beneath the seat to effortlessly raise the seat up and down as needed. Heavy-duty wheels enhance mobility so that you can move about the room. This Safco lab stool has an antimicrobial surface that helps reduce the risk of germ transfer..Black 100% vinyl upholstery.Chrome plated aluminum base with five dual wheel hooded carpet casters; 2"Dia..Dimensions: 17"-22"H x 23"W x 23"D.Pneumatic lift seat-height adjustment from 17" to 22".Armless style.Comfortable and generously cushioned lab stool.Assembly required.GREENGUARD certified.Easy-to-clean vinyl, making for easy maintenance.Weight capacity: 250 lbs..5-year manufacturer limited warranty.ā WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/furniture..Work all day while seated in comfort with this Safco black backless pneumatic lab stool.
Sit easily while handling important tasks with this black lab stool. The five-star base with dual wheel casters maintains stability while permitting seamless movement across hard flooring and carpeting. The 360-degree swivel allows full rotation without having to move the chair. This Safco Products lab stool has highly resistant upholstery that makes it easy to clean..Black vinyl upholstery.Black nylon five-star base with 18" height adjustable chrome plated steel alloy foot ring.Dimensions: 22"-31.25"H x 23.88"W x 23.88"D.Pneumatic seat height adjustment from 22" to 31.25".Armless style.Raising legs and feet onto the foot ring may support muscular relaxation, 360-degrees rotation.Assembly required.Meets or exceeds ANSI/BIFMA standards.Weight capacity: 250 lbs..Lifetime manufacturer limited warranty.ā WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/furniture..Stay comfortable while sitting and working for long periods of time with this Safco extended height black lab stool.
This foot pedal lab stool by Safco features two ways to adjust the height. Its pneumatic lift adjusts height with a simple foot pedal plate or you may use the height adjustment lever. Both adjustments have a range 17-22" to fit a variety of user heights. Perfect for use in labs, hospitals, design studios, and personal workspaces..Comes in black and made of plastic.Features five-star black nylon base for stability.Dimensions: 22.25"H x 26.25"W x 26.25"D.Height-adjustable between 17-22" to fit a variety of user heights.Foot pedal is covered in black vinyl making it easy to clean and for low maintenance.Assembly required.Meets or exceeds ANSI/BIFMA standards.Pneumatic lift adjusts height with simple foot pedal plate or with the height adjustment lever.Perfect for use in labs, hospitals, design studios, and personal workspaces.Works great alongside TeckWorks workstations, work benches, or adjustable-height desks.Weight: 12.4 lbs..ā WARNING: This product can expose you to chemicals including Di(2-ethlhexyl) phthalate (DEHP), which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/furniture
Thanks to its compact design, the Safco Economy Lab Stool can be placed in any corner of your laboratory. This economy lab stool bears elegant vinyl upholstery which offers both comfort and durability. You can sit comfortably on this black economy lab stool and work thanks to its stable sliver aluminum base. The base comes with strong casters to provide easy mobility. With its pneumatic height adjustable feature, you can modify its height as per your preferred seating position..Vinyl economy lab stool for use in medical and educational establishments.Dimensions: 21"H x 18"Dia.; 16" - 21"H x 13.5"Dia. (Seat).Aluminum economy lab stool provides adequate stability.Casters in the base aid in easy mobility.Weight Capacity: 250 lbs..ā WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/furniture..The 21" black Safco 3434BL Economy Lab Stool will be a good addition to your laboratory furniture.
The airCentric H2S Lab Stool is designed for a counter-height table in a laboratory environment while increasing comfort, health and productivity. healtHcentricās proprietary Frixion medical grade upholstery provides ergonomic benefits and prevents falls. It withstands hospital-grade cleaners and disinfectants. Ideal for use in clinical areas of hospitals, clinics and labs. healtHcentricās proprietary adjustable footring is built for easy adjustment. This durable footring has a large flat surface, making it more comfortable and ergonomic for the userās feet. Various seat size options and arm types make it versatile for all body types and workstations..Comfortable counter-height stool for lab environments.Anti-Slip Protection with Frixion medical grade upholstery. Easy to clean and disinfect..Ergonomic design with lumber support, armrest and footrest. An optional headrest is available..Overall Dimensions: 26"w x 26"d.Seat Height Range: 23" - 29.5".Seat Dimensions: 20"w x 19"d.Back Dimensions: 19"w x 24"h.4" height adjustable armrest.Weight Capacity 280 lb..GREENGUARD Gold Certification.Meets or Exceeds ANSI-BIFMA Standards.Manufacturerās limited lifetime warranty. 12 years for mechanisms, arms and foam up to a weight of 280 lbs. 5 years for Frixion upholstery..Ergonomic design with enhanced cleanability
Easily adjustable height means it can be stored under any work surface.This classic "lab" stool is easy to keep clean and scoot around a busy workplace..Thick padded molded-foam seat retains its comfort and shape even through a prolonged use..Chrome five star base..Easy to store under nearly any work surface..Overall Dimensions:Overall Diameter: 24 5/8",Overall Height: adjustable from 19 1/4" to 24 3/8",Seat Diameter: 15 3/4".19.69 in to 24.80 in Seat Height,.Provide comfort in your office, lab, or classroom with the Alera ALEUS4716 black adjustable height lab stool.
The airCentric H2S Lab Stool is designed for a counter-height table in a laboratory environment while increasing comfort, health and productivity. healtHcentricās proprietary Frixion medical grade upholstery provides ergonomic benefits and prevents falls. It withstands hospital-grade cleaners and disinfectants. Ideal for use in clinical areas of hospitals, clinics and labs. healtHcentricās proprietary adjustable footring is built for easy adjustment. This durable footring has a large flat surface, making it more comfortable and ergonomic for the userās feet. Various seat size options and arm types make it versatile for all body types and workstations..Comfortable counter-height stool for lab environments.Anti-Slip Protection with Frixion medical grade upholstery. Easy to clean and disinfect..Ergonomic design with lumber support, armrest and footrest. An optional headrest is available..Overall Dimensions: 26"w x 26"d.Seat Height Range: 23" - 29.5".Seat Dimensions: 20"w x 19"d.Back Dimensions: 19"w x 24"h.4" height adjustable armrest.Weight Capacity 280 lb..GREENGUARD Gold Certification.Meets or Exceeds ANSI-BIFMA Standards.Manufacturerās limited lifetime warranty. 12 Years for Mechanisms, arms and foam up to a weight of 280 lbs. 5 years for Frixion upholstery..Ergonomic design with enhanced cleanability
The healtHcentric Lab FR Stool supports the tasks required in a laboratory environment while increasing comfort, health and productivity. The healtHcentric Lab FR includes healtHcentricās proprietary adjustable footring for easy adjustment. This durable footring has a large flat surface, making it more comfortable and ergonomic for the userās feet. Various seat size options and arm types make it versatile for all body types and workstations..Comfortable counter-height stool for lab environments.Anti-Slip Protection with Frixion medical grade upholstery. Easy to clean and disinfect..Ergonomic design with lumber support, armrest and footrest..Overall Dimensions: 26"w x 26"d.Seat Height Range: 23" - 29.5".Seat Dimensions: 20"w x 19"d.Back Dimensions: 17"w x 19"h.4" height adjustable armrest.Weight Capacity 280 lb..GREENGUARD Gold Certification.Meets or Exceeds ANSI-BIFMA Standards.Manufacturerās limited lifetime warranty. 10 years for mechanisms, arms and foam up to a weight of 280 lbs. 5 years for Frixion upholstery..Ergonomic design with enhanced cleanability
With its innovative design, the healtHcentric Sit Stand is the ultimate sit-stand chair combining three chairs in one providing a sit-stand, a sit-stand with backrest, or a counter or desk height task chair. The healtHcentric Sit Stand can go from a height of 19.75ā all the way up to 33ā. Height adjustments are easy and quick, allowing you to alternate between various postures throughout the day, removing unnecessary demands on any specific group of muscles. Upholstered with the Frixion upholstery, the healtHcentric Sit Stand helps prevent users from slipping in the perched position. The front casters make the sit-stand easy to move around and the glides provide stability..The ultimate sit-stand chair to accommodate various sit-to-stand postures.Anti-Slip Protection with Frixion medical grade upholstery. Easy to clean and disinfect..Ergonomic design with lumber support and footrest..Overall Dimensions: 25"w x 25"d.Seat Height Range: 19.75ā - 33ā.Seat Dimensions: 17.5"w x 15.5"d.Back Dimensions: 14"w x 10"h.Weight Capacity 280 lb..GREENGUARD Gold Certification.Meets or Exceeds ANSI-BIFMA Standards.Manufacturerās limited lifetime warranty. 10 years for mechanisms and foam up to a weight of 280 lbs. 5 years for Frixion upholstery..Easily alternate between different postures.
With its innovative design, the healtHcentric Sit Stand is the ultimate sit-stand chair combining three chairs in one providing a sit-stand, a sit-stand with backrest, or a counter or desk height task chair. The healtHcentric Sit Stand can go from a height of 19.75ā all the way up to 33ā. Height adjustments are easy and quick, allowing you to alternate between various postures throughout the day, removing unnecessary demands on any specific group of muscles. Upholstered with the Frixion upholstery, the healtHcentric Sit Stand helps prevent users from slipping in the perched position. The front casters make the sit-stand easy to move around and the glides provide stability..The ultimate sit-stand chair to accommodate various sit-to-stand postures.Anti-Slip Protection with Frixion medical grade upholstery. Easy to clean and disinfect..Ergonomic design with lumber support and footrest..Overall Dimensions: 25"w x 25"d.Seat Height Range: 19.75ā - 33ā.Seat Dimensions: 17.5"w x 15.5"d.Back Dimensions: 14"w x 10"h.Weight Capacity 280 lb..GREENGUARD Gold Certification.Meets or Exceeds ANSI-BIFMA Standards.Manufacturerās limited lifetime warranty. 10 years for mechanisms and foam up to a weight of 280 lbs. 5 years for Frixion upholstery..Easily alternate between different postures.
The healtHcentric Lab FR Stool supports the tasks required in a laboratory environment while increasing comfort, health and productivity. The healtHcentric Lab FR includes healtHcentricās proprietary adjustable footring for easy adjustment. This durable footring has a large flat surface, making it more comfortable and ergonomic for the userās feet. Various seat size options and arm types make it versatile for all body types and workstations..Comfortable counter-height stool for lab environments.Anti-Slip Protection with Frixion medical grade upholstery. Easy to clean and disinfect..Ergonomic design with lumber support, armrest and footrest..Overall Dimensions: 26"w x 26"d.Seat Height Range: 23" - 29.5".Seat Dimensions: 20"w x 19"d.Back Dimensions: 17"w x 19"h.4" height adjustable armrest.Weight Capacity 280 lb..GREENGUARD Gold Certification.Meets or Exceeds ANSI-BIFMA Standards.Manufacturerās limited lifetime warranty. 10 years for mechanisms, arms and foam up to a weight of 280 lbs. 5 years for Frixion upholstery..Ergonomic design with enhanced cleanability
Finding the perfect seat shouldn't have to be rocket science, simply choose Safco Saddle Seat lab stools for labs, hospitals, design studios, workspaces, and alongside workbenches or adjustable-height desks. Saddle seat helps keep hips engaged, encourages better posture, and may allow for better breathing from the diaphragm. Pneumatic lift of the Safco Saddle Seat lab stool adjusts the height with simple foot-pedal plate or with the height-adjustment lever. Foot pedal operation allows for a hands-free adjustment..Black vinyl upholstery.Features five-star black nylon base for stability.Dimensions: 26.25"H x 26.25"W x 26.25"D.Height-adjustable between 21ā27" to fit a variety of user heights.Armless style.Saddle seat helps keep hips engaged, encourages better posture, and may allow for better breathing from the diaphragm.Assembly required.Meets or exceeds ANSI/BIFMA standards.Foot-pedal operation allows for a hands-free adjustment.Great for labs, hospitals, design studios, as well as for personal use.Easy to clean for easy maintenance
Lab/Anesthesia stool that balances work posture and weight support. Concave seat with waterfall front. Includes a protective wrap-around plastic back panel. Generously padded, vinyl covered adjustable height armrests that adjust with the press of a button..Height adjustable seat and foot ring.2" twin wheel polyurethane casters.18" wide x 18" deep seat.Brandt Anesthesia/Lab Stool
The healtHcentric Technician Stool is designed to support a variety of tasks in treatment areas, laboratories, and other healthcare environments with limited space while increasing comfort, health, and productivity. This versatile stool has a small footprint and the necessary adjustments to support caregivers and technicians in various jobs..Designed to support a variety of tasks with limited spaces.Anti-Slip Protection with Frixion medical grade upholstery. Easy to clean and disinfect..Ergonomic, compact and versatile..Overall Dimensions: 24"w x 24"d.Seat Height Range: 17" - 22".Seat Dimensions: 17.5"w x 15.5"d.Back Dimensions: 14"w x 10"h.Weight Capacity 280 lb..GREENGUARD Gold Certification.Meets or Exceeds ANSI-BIFMA Standards.Manufacturerās limited lifetime warranty. 10 years for mechanisms and foam up to a weight of 280 lbs. 5 years for Frixion upholstery..Small footprint, versatile stool adapts to your functions
The healtHcentric Technician Stool is designed to support a variety of tasks in treatment areas, laboratories, and other healthcare environments with limited space while increasing comfort, health, and productivity. This versatile stool has a small footprint and the necessary adjustments to support caregivers and technicians in various jobs..Designed to support a variety of tasks with limited space.Anti-Slip Protection with Frixion medical grade upholstery. Easy to clean and disinfect..Ergonomic, compact and versatile..Overall Dimensions: 24"w x 24"d.Seat Height Range: 17" - 22".Seat Dimensions: 17.5"w x 15.5"d.Back Dimensions: 14"w x 10"h.Weight Capacity 280 lb..GREENGUARD Gold Certification.Meets or Exceeds ANSI-BIFMA Standards.Manufacturerās limited lifetime warranty. 10 years for mechanisms and foam up to a weight of 280 lbs. 5 years for Frixion upholstery..Small footprint, versatile stool adapts to your functions
Built with 18 gauge heavy-duty steel curved legs, this unit will hold up under rugged and intensive usage. It is furnished with a choice of a heavy-duty steel or a hardwood seat pan. The seat pan can swivel 360 degrees and is adjustable from 18ā to 25ā by simply turning the seat..Designer Swivel Stool.Black 18 Gauge Steel frame supports wooden seat.Adjustable From 18-3/4ā To 25-1/4ā.14 1/2"W x 14 1/2"D X 19" - 25".14 Inch diameter round seat set 18 inches from the ground.Non-Marring Glides.Armless.Built-in foot ring.Weight Limit: 300 lb's.Frame and Seat come separated and need to be connected.Meets or exceeds ANSI/BIFMA standards.10 Year Manufacturer Warranty.Seat Is Attached Using A Unique Pressure Connection Mechanism.Solid Hardwood Seat Is Made Of New Zealand Pine Wood And Is 1.2" Thick With A Clear Lacquer Finish.The all-new NPS Model 6800 designer stool is ideal for your science lab, institutional or educational setting. With its fashionably crafted curved leg design, this contemporary stool will enhance the setting of your room.
Furnish your medical office or health-care facility with this medical exam stool that's generously cushioned for lasting comfort. This exam stool is upholstered with black healthcare-grade vinyl that meets industry standards. The pneumatic adjustment allows you to customize the stool to your desired height. Feature this HON medical stool in your exam room, procedure room, or medical laboratory to enjoy its reliable functionality..Seat is covered in black healthcare vinyl.Features five-star steel base with polished aluminum finish.Dimensions: 17.38"-22"H x 24.13"W x 27.25"D.Pneumatic seat height adjustment from 17.38" to 22".Compact armless circular shape to allow freedom of movement in confined spaces.Space-saving circular cushions with three inches of padding.Easy to Assemble (ETA).Meets or exceeds SCS Indoor Advantage standards.Easy-to-clean base.Weight capacity: 250 lbs..360-degree swivel and dual-wheeled casters provide freedom of movement in any direction.Ideal for exam rooms, procedure rooms, emergency centers, laboratories, and other quality-conscious healthcare facilities.Lifetime manufacturer limited warranty.Model Option: HMTS01.EA11.Outfit your medical center with this HON medical stool in black vinyl designed with pneumatic seat height adjustment.
This versatile rolling stool features a mesh upholstered seat in black that adds an industrial look to any space, whether at home or in the office. With a pneumatic gas lift height adjustment feature, five-star nylon base and hooded dual wheel casters, this sleek, modern stool combines outstanding functionality and mobility. Its strong, sturdy construction accommodates a range of weights of up to 275 pounds..Upholstered with vibrant breathable mesh fabric.Pneumatic gas lift adjustable seat height with a 6" vertical height range.5 star nylon base, Black.Hooded dual wheel casters allow this stool to roll easily.275 lb weight capacity..Seat Size: 16"W x 16"D.Overall Dimensions: 18" - 23"H x 25"W x 25"D.Beautifully upholstered in breathable vibrant colored mesh.Dual wheel casters allow for easy movement.Manufacturer's 1-year limited warranty.The DOT stool is ideal for use in laboratories, science classrooms, salons, doctor's offices or anywhere you need mobile seating
Built with 18 gauge heavy-duty steel curved legs, this unit will hold up under rugged and intensive usage. It is furnished with a choice of a heavy-duty steel or a hardwood seat pan. The seat pan can swivel 360 degrees and is adjustable from 18ā to 25ā by simply turning the seat..Designer Swivel Stool.Gray 18 Gauge Steel frame supports blueberry colored seat.Adjustable From 18-3/4ā To 25-1/4ā.14 1/2"W x 14 1/2"D X 19" - 25".14 Inch diameter round seat set 18 inches from the ground.Non-Marring Glides.Armless.Built-in foot ring.Weight Limit: 300 lb's.Frame and Seat come separated and need to be connected.Meets or exceeds ANSI/BIFMA standards.10 Year Manufacturer Warranty.Seat Is Attached Using A Unique Pressure Connection Mechanism.The all-new NPS Model 6800 designer stool is ideal for your science lab, institutional or educational setting. With its fashionably crafted curved leg design, this contemporary stool will enhance the setting of your room.
National Public Seating 18" Hardboard square lab stool is constructed with durable heavy duty steel material. Stool comes with non-marking floor guides on each leg for easy movement and is scratch resistant..Heavy duty hardboard stool, square seat.Natural wood colored hardboard seat, sleek Gray steel frame.4 metal legs with plastic floor glides, 5/8" outer diameter footrings welded to legs.14"W x 17.5"H.15 by 14 Inch square seat set 18 Inches from the ground.18 gauge steel tubing heavy duty frame.Armless.Built-in foot ring.Weight Limit: 300 lb's.Stool comes assembled.Meets or exceeds furniture industry (ANSI/BIFMA) standards.10 Year Manufacturer Warranty.For easy movement and scratch resistance, this stool also comes with non-marking floor guides on each leg.National Public Seating 18" Hardboard square lab stool features a simple design with a durable frame and the ring underneath the seat provides strong points of contact for each leg.
Sit in comfort during long work sessions with this adjustable polyurethane chair. It adjusts in height to accommodate different sizes, and its black self-skinned style makes it perfect science labs, art studios, and engineering establishments. This National Public Seating stool is designed to provide ergonomic support and is suitable for weights up to 300 pounds for versatile use..Drafting chair can be used in a personal or commercial setting.Black polyurethane chair for softness and a professional look.Features pneumatic height adjustment from 22" to 32".Seat dimensions: 18"W x 17"D.Back dimensions: 12"H x 16"W.Armless design allows for easy movement and versatility.Weight capacity rated up to 300 lbs..Assembly required.Meets or exceeds ANSI/BIFMA standards.Polyurethane material is resistant to chemicals and punctures, and cleans easily.Swivels 360 degrees for unlimited functionality.Integrated spring system allows for control of backrest tilt degree with a turn of a knob.Footrest adjusts 12" up or down for comfort.Built on five 2" industrial-grade caster wheels for portability or installation including mushroom glides for use in a stable environment.Promotes natural sitting posture with lumbar support.Convenient backrest handhold for maneuverability.Cozy up to your drafting table with this National Public Seating adjustable chair.
Silent pneumatic suspension. Mounted on a 23" diameter 5 point black composite base. 14" diameter round seat. 2" twin wheel polyurethane casters..Height adjusts from 17" to 22".23" diameter black composite 5 point base.14" diameter round seat
Silent pneumatic suspension. Mounted on a 23" diameter 5 point black composite base. 14" diameter round seat. 2" twin wheel polyurethane casters..Height adjusts from 17" to 22".23" diameter 5 point composite black base.14" diameter round seat
Hydraulically adjustable by means of a convenient foot pedal. Raises, lowers or locks the chair anywhere within its 360 degree range of rotation without the use of ones hands. Height adjusts from 22.5" to 29.5"..Medical stool.Black vinyl.23" diameter cast aluminum 5 point base.14" diameter round seat.Rotation of the seat does not affect the stooll height.2" twin disc nylon casters with locking brakes
Silent pneumatic suspension. Mounted on a 23" diameter cast aluminum 5 point base. 14" diameter round seat. 2" twin wheel polyurethane casters..Height adjusts from 17" to 22".23" diameter aluminum 5 point base.14" diameter round seat
Silent pneumatic suspension. Mounted on a 23" diameter , black composite 5 point base. 2" twin wheel polyurethane casters. 14" diameter round seat. 14.5"W x 9.5"H backrest that adjusts vertically, and will tilt to conform to the users body..14.5W x 9.5"H adjustable backrest.23" diameter black composite 5 point base.14" diameter round seat
Silent pneumatic suspension. Mounted on a 23" diameter 5 point black composite base. 14" diameter round seat. 2" twin wheel polyurethane casters..Height adjusts from 17" to 22".23" diameter black composite 5 point base.14" diameter round seat
Silent pneumatic suspension. Mounted on a 23" diameter , black composite 5 point base. 2" twin wheel polyurethane casters. 14" diameter round seat. 14.5"W x 9.5"H backrest that adjusts vertically, and will tilt to conform to the users body..14.5"W x 9.5"H adjustable backrest.23" diameter black composite 5 point base.14" diameter round seat
Silent pneumatic suspension. Mounted on a 23" diameter cast aluminum 5 point base. 14" diameter round seat. 2" twin wheel polyurethane casters..Height adjusts from 17" to 22".23" diameter aluminum 5 point base.14" diameter round seat
Silent pneumatic suspension. Mounted on a 23" diameter , black composite 5 point base. 2" twin wheel polyurethane casters. 14" diameter round seat. 14.5"W x 9.5"H backrest that adjusts vertically, and will tilt to conform to the users body..14.5" x 9.5"H adjustable backrest.23" diameter black composite 5 point base.14" diameter round seat
Silent pneumatic suspension. Mounted on a 23" diameter cast aluminum 5 point base. 14" diameter round seat. 2" twin wheel polyurethane casters..Height adjusts from 17" to 22".23" diameter aluminum 5 point base.14" diameter round seat
Silent pneumatic suspension. Mounted on a 23" diameter cast aluminum 5 point base. 14" diameter round seat. 2" twin wheel polyurethane casters. Height adjustable from 17" to 22". 14.5"W x 9.5"H backrest that adjusts vertically, and will tilt to conform to the users body..Height adjustable backrest.23" diameter aluminum 5 point base.14" diameter round seat
Pneumatic stool with ring release mechanism. Silent pneumatic suspension. Mounted on a 23"diameter cast aluminum 5 point base. 14" diameter round seat. 2" twin wheel polyurethane casters. Height adjusts from 17" to 22"..Ring release mechanism.23" diameter cast aluminum 5 point base.14" diameter round seat.Brandt premier exam seating with ring release mechanism
Pneumatic stool with ring release mechanism. Silent pneumatic suspension. mounted on a 23"diameter cast aluminum 5 point base.14" diameter round seat.2" twin wheel polyurethane casters. Height adjusts from 17" to 22"..Ring release mechanism.23" diameter cast aluminum 5 point base.14" diameter round seat