Quantum Storage Systems announces its industrial strength plastic carts, now stocked in Miami, Chicago and Philadelphia for immediate shipment. These durable, rugged carts are ideal for transporting tools and supplies. They are heavy-duty, with a 550 lb. load capacity, and come standard with two swivel and two rigid heavy-duty casters for easy control during movement. Choose from two-shelf and three-shelf models. Select tray or flat top shelf. Great storage products, delivered quickly at the guaranteed lowest prices – Quantum!