The DEWALT DXSTAH025 Adjustable Shop Stool Casters was designed and engineered to provide a heavyduty stool for use in the busiest workshops and professional garages The comfortable foampadded textured vinyl seat sits atop a 360degree swiveling pneumatic piston allowing free and easy rotation when seated This allsteel frame construction stool can easily hold up to 300 lbs without showing any signs of weakening or metal fatigue The 425 inches of height adjustment can be set at any height from its lowest of 225inches to a maximum of 2675inches so you can set it to what best suits you A boltsecured wire grid lower shelf provides extra storage for toolssupplies Preassembled with 360degree swivel casters leaves only the seat and pneumatic adjustment cylinder to be attached before the stool is ready for use If desired, the casters can be removed and replaced with the included rugged, glassfilled nylon feet with levelling shims to protect floors