Shelf Cart, adjustable, three solid shelves, open base, 24" x 60", 5" polyurethane wheel stem casters (4 swivel), donut bumpers, 800 lb. capacity, Poly-Z-Brite - Nexel's industrial and food service storage and handling equipment is designed for heavy duty commercial use. They produce an extensive line of shelving, racks, bins, displays, and other solutions for storage, transport, and commercial displays. Their products are used extensively in restaurants, bars, schools, hospitals, retail outlets and anywhere else sturd &, sanitary storage and transport of items is needed. Image may differ based on configuration.