Masters Big and Tall Chair Features:

Eight leg, 16 gauge formed steel welded base with support puck to all legs.
Caster sockets fusion welded by electric wire for strength.
Cast aluminum seat control bed assembly.
Extra Duty pneumatic height adjustment cylinder, Rated DIN Class 4
Backrest tilt tension adjustment via "Custom-Fit" fingertip control wheel, while at a seated position.
Multi-Ply hardwood seat board, with metal threaded inserts for attachments.
Concealed 4" (vertical) back lumbar adjustment from seated position.
Cold rolled, solid bar stock steel back and arm bars, attached to metal seat control, 3/8" thick x 2" wide steel.
One-piece molded, ergonomically shaped, multi-ply wood composite.

Capacity: 750 pounds
Seat: 32 3/4" wide x 23"deep
Additional 2" seat depth (25" total depth) optional
Back: 25" wide x 25" high.
Arms: 3" wide x 10" deep x 1 1/2" thick
Seat Height from Floor: 18" to 22 1/2"
Back Height Adjustment: 2 1/2"
Range from 25"
Inside Arm Clearance: 32" to 34 1/2"