IDEAL FOR AREAS WHERE MULTIPLE WASHDOWNS ARE PERFORMED OR WHERE NON-CORROSIVE/RUST- CARTS ARE NEEDED. METRO STAINLESS STEEL WIRE SHELF TRUCKS STORE AND TRANSPORT PRODUCTS IN LABORATORIES RESTAURANTS CLEAN ROOMS FOOD PROCESSING PLANTS OR ELECTRONICS MANUFACTURING FACTORIES. SHELVES ADJUST IN 1"" INCREMENTS. 5"" POLYURETHANE CASTERS HAVE PROTECTIVE DONUT BUMPERS. 300-LB. CAPACITY PER CASTER. STAINLESS STEEL WIRE SHELVING HAS A 5-YEAR WARRANTY UNDER NORMAL CONDITIONS. NSF LISTED.