Lab/Task Stool,Pneumatic,26-1/2x26-1/2x46,Seat 18x18,LV Adjustment: 20.37" to 30.5" - Seat , Adjustment: 7.12" to 12.75" - Footring , Assembly Required: Yes, Base: 5-star Base, Casters: 5, Dimensions: 46" Height x 26.5" Width x 26.5" Depth, Frame: Steel, Frame Material: Steel, Seat: Polymer - Lava, Seat Size: 18" Width x 18" Depth Features: 360 Swivel, Pneumatic Adjustment Sold as 1 each