Offex Utility Cart 3 Shelves, Structural Foam Plastic, Putty (OF-HE42-P) Retaining lip around the back and sides of flat shelves. Includes four heavy duty 4" casters, two with brake. Has a push handle molded into the top shelf. This HE34 cart is 3 shelves. 18"D x 24"W x 32.5"H. Clearance between shelves is 11 3/4".