2155 5-Leg Pneumatic Stool 5-Leg Pneumatic Stool Specifications: Premium, 23" die cast, aluminum base with satin finish top 5-leg design for greater stability Full size diameter top and base for comfort and stability 4" thick seat for extra comfort Black hooded, dual wheel, nylon casters Pneumatic height adjustment All seats have 3/4" thick solid plywood base Lever controls height Knock-down design saves on shipping Easy, no-tools required assembly Premium, stain-resistant, woven, knit-backed vinyl upholstery Also available with backrest 250 lbs. load capacity under normal use Shipping info: Weight: 17 lbs. Box Dimensions: 22"x23"x10"