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321 Pneumatic Hand Operated Black Base Stool w/Backrest

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The 321 Pneumatic Hand Operated Black Base Stool with ergonomic backrest is MTI's most economic line of hand-operated exam seating without sacrificing quality. Seat height easily adjusts to your most comfortable working position using a hand lever. Dual wheel casters make it easy to maneuver quietly and smoothly over all types of surfaces without damaging or marring the floor. Treat yourself to a soft and supportive seat with MTI's physician/assistant seating.

  • Hand lever actuated pneumatic gas spring
  • 5-caster black composite base
  • Ergo Backrest
  • 16.5" (41.9 cm) round deep-padded seat
  • 18.25" (46.4 cm) low height
  • 24.5" (62.3 cm) high height
  • 300 lbs. (136 kg) load capacity 
Options and Accessories
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Upholstery Colors

MTI provides two different types of upholstery: Premium and Ultraleather. If one of our standard choices doesn't fit your office décor, contact us for non-standard color charts for a larger variety of colors or send us your own fabric to match the décor of your office.

> Click here to download a digital color chart.

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Stool Accessories

The following accessories are available so some of the stools: Locking Dual Wheel Casters, Stationary Glides, 6" Lab Height Extension, Adjustable Foot Ring, Locking Rubber Casters and Floor Lock. Click below to accessorize your chair: