Heavy Duty 14 gauge steel construction with a durable gray powder coat finish. The Shop Desk provides an organized work area that easily moves anywhere it is needed. Unit has a 1200 lb capacity. Top shelf has a 1-1/2" lip on 3 sides and creates an ideal work surface 36" above the floor. Center and bottom shelves have 1-1/2" lips on all 4 sides. (4) 5" x 1-1/4" Polyurethane bolt-on caster (2 rigid, 2 swivel). Includes 4 shelves and 1 drawer. Drawer has a recessed handle, ball bearing slides and includes a lock and 2 keys. Desk ships fully assembled. Drawer ships separately and is easy to attach using fasteners provided.