Durham special purpose portable shop desk. Heavy duty 14 gauge steel construction. Provide an organized work area that easily moves anywhere it is needed. Top shelf has a 1-1/2-inches lip on 3 sides and creates an ideal work surface 36-inches above the floor. Bottom shelves have 1-1/2-inches lips on all 4 sides. (4) 5-inches diameter by 1-1/4-inches width polyurethane bolt-on caster (2 rigid, 2 swivel). Drawer included with model, it has a recessed handle, ball bearing slides and includes a lock and 2 keys. Desk ships fully assembled. Gray powder coat finish is rust and acid resistant.