Corrosion-free transport Wire cart transports, stores and delivers within sterile / sanitized environments. Each unit consists of: 4- 42" stainless steel posts, 2- stainless steel Wire shelves, 1- stainless steel solid shelf, 1- stainless steel 3-sided frame, 1- stainless steel push handle, 4- 5" swivel, stainless steel poly stem casters, 2 with brakes (casters come with Zerk Grease Fittings) and 4- donut bumpers. Finish: 304 Stainless Steel