Molded plastic back shell resists impact. Ideal for tight workspaces and all-day comfort. Optional T-Arm kits sold separately. Pneumatic seat height adjustment. 360° swivel. Black five-star base with casters. Casters supplied with the chairs are not suitable for all floor types. Chair Type: Rolling Chair; Folding/Stacking: N/A; Width: N/A; Depth: N/A.
