Rivet System® boltless shelving from Action Wholesale Products on a durable mobile base is the solution when heavy duty storage needs require versatility of movement. These mobile shelving units are constructed of high-gauge steel and have an 800 lb. weight capacity. Shelves can be installed lip up for tray style shelving or lip down for deck style shelving. Units stand 66" high and are available with 3 or 4 shelves.