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, no arms, 23in dia tubular dual-wheel casters; seat height 17.5-21.5in; ISO
High bench 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 24-33.5in; ISO 8 rated
Desk 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 19.5in h w/ 3in adjustment range, no arms, 23in dia tubular steel
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 19.5in h with 3in adjustment range, no arms, 28.7in diameter dual soft-wheel casters; seat height 17-22.5in, ISO 7 clean room rated