Lab Stool, Weight Capacity 250 lb, Seat Height Range 16 in to 21 in, Seat Depth 13 1/2 in, Seat Width 13 1/2 in, Color Black, Material Polyurethane, Base Steel, Features 5 in Pneumatic Lift, 360 Degrees Swivel, Includes (5) 2 1/2 in Casters, No,...