Desk height chair and backrest angle, black vinyl, seat 20.5in wide set to 18in depth, backrest 17.5in w x 15in h w/ 3in adjustment range, 23in dia tubular steel base w/affixed 21in dia, seat height 17.5-21.5in; I
Chair, Color/Material: Black vinyl, High bench height chair with task control to regulate seat height and backrest angle, Dual-wheel caster, With Medium Backrest, Aluminum foot ring: 28.7in, No arms, Solid cast aluminum base, Seat Height: 20.5 to 27.5in
Medium bench height chair w/ task control to regulate seat height and backrest angle, black vinyl, seat 20.5in wide set to 18in depth, backrest 17.5in w x 15in h w/ 3in adj range, 23in dia tubular seat height 20.5
Desk height chair with weight-activated control, synchronous seat & backrest, black vinyl, seat 20.5in w with 16.4-18.9in adj depth; backrest 17.5in w x 15in h with 3in adj range, 3-way arms, 28.7in dia dual-wheel resistance casters; seat height 17-21in; ISO 8 rated
Desk height chair with task control to regulate seat height and backrest angle, black vinyl, seat 20.5in wide set to 18in depth, backrest 17.5in w x 15in h with 3in adjustment range, no arms, 23in dia tubular steel base with affixed 21in dia, seat height 17.5-21.5in; ISO 8 rated