Pneumatic Lift Lab Stools With Back

Pneumatic Lift Lab Stools With Back Black vinyl upholstered stool adjusts in height for a variety of uses. Generously cushioned 16" diameter seat is 3-1/2" thick and swivels 360°. 2" swivel casters. Seat height adjusts pneumatically from 17" to 22" high. Back height and depth adjust manually with control knob. Back: 15-1/2w x 10h. 23" diameter polished aluminum 5-star base. Chair Type: Rolling Chair; Folding/Stacking: NA; Width: NA;Depth: NA.