mouseover image to zoom. Rubbermaid Home and Office Carts, Standard Duty, Black (RCP 4401 BLA) Home Office Standard Duty Cart Three-position handle moves upright for pushing, angles for pulling or folds flat for use as a dolly or for storage. Structural foam platform won t rust, dent or bend. 500-lb. capacity model has ergonomic handle for easier movement and 5in dia. casters for extra stability. Nonskid platform is 20-7/8 x 31-3/4 (35-1/2 with handle flat). Four nonmarking casters, two swivel.