This is a custom built heavy duty rolling shop stool. Not your cheap auto parts store junk. Built from 10 gauge steel, rolling on 4 rubber casters. 1" lead screw on the seat for easy and durable adjusting. Big padded seat cushion and a wide wheel base so it doesn't tip easily!!! These stools are powder coated for durability!!! Custom made cushions for comfort! These stools are made to order at the moment