Heavy burdens roll smoothly on a 2-tiered supermarket-style cart Cart is made of extra-strong, nickel-plated 14-gauge chrome steel tubing, with comfortable handle grips. Designed to be used with large-size library book baskets (part numbers GLLB), available and sold separately.Use to transport books or assist in emptying book returns. Maximum weight capacity is 200 lbs. Available in 2 cart sizes: standard (part number GLSCB) holds 2 standard baskets and large (part number GLBCB) holds 2 large baskets.Cart rolls smoothly on 4 casters (2 locking and 2 swivel); several carts can be nested for compact storage. Overall dimensions: Standard basket cart: 36H x 18W x 18"DLarge basket cart: 38H x 19W x 23"L