Heavy-gauge Adjustable Steel Utility Carts are arc-welded for superior strength and durability. Powder-coat finish. Two fixed shelves measure 24"W x 18"D; top shelf has a ribbed rubber mat to keep cargo from sliding and adjusts to 6 positions in 4" increments. Two of the four 4"-dia. swivel casters lock for stationary use. Adjustable Steel Utility Cart with Electrical Assembly includes a 3-outlet UL approved electrical assembly with a 15'L cord and cord management wrap.