Interion® All Purpose Vinyl Scooter Stool - Black No Need To Bend. Keeps Worker Low To Ground, Helps Reduce Back, Knee And Ankle Strain. Ideal For Warehouses, Factory Or Machine Shop Use. Pneumatic Height Adjustment For Easy Operator Positioning. 14-1/2" Diameter X 5" Thick Seat. 2" Hooded Dual Wheel Caster. Plastic Base With Steel Seat Plate. Easy To Assemble. Brand Is Interion® By Global Industrial. 1 Year Limited Warranty. Optional Stool Glides Also Available To Replace Casters For Stationary Use - See Model 506818.