RUST- AND CORROSION- 304 POLISHED STAINLESS STEEL WIRE CARTS ARE PERFECT FOR LABS RESTAURANTS CLEAN ROOMS ETC. WIRE WILL WITHSTAND HIGH TEMPERATURE AUTOMATED CART WASH AND AUTOCLAVE APPLICATIONS. SHELVES ADJUST IN 1"" INCREMENTS. 5' FLAT TREAD POLYURETHANE WASHABLE STEM CASTERS HAVE A TEMPERATURE RANGE FOR CONTINUOUS USE OF (FAHRENHEIT) -30-180 (CELSIUS) -34-82 WITH PROTECTIVE DONUT BUMPERS. NSF LISTED.