The popular choice for the graphic designer, this drafting chair has superior quality at a reasonable price. Features include pneumatic height control, polypropylene seat and back shells, a height- and depth-adjustable hinged backrest, built-in steel teardrop footrest, dual-wheel casters, and a 24" diameter reinforced nylon base. Seat cushion is 18"w x 17"d x 2" thick. Backrest is 14"w x 12"h. Height adjusts from 23" to 33". 30 lbs.