Dimensions: 48W x 18D x 72H in.. Made from strong solid steel. Select from available colors. Can hold up to 600 lbs. per shelf when evenly distributed. Surface finish helps prevent corrosion in wet and humid environments. Ideal for inventory and home storage alike, the Alera 6 ft. Complete Wire Shelving Unit with Casters is a tough and mobile shelving unit. Hardy steel supports the frame, perched on casters that let you rearrange or move the unit as desired. The shelves are made from steel wire and can each support up to 600 pounds. Select your protective finish color from the available options. Color: Black Anthracite.