The Bud Industries SH-2390 sliding non-ventilated shelf measures 17 in W x 26.5 in D and is designed to fit cabinets and open racks with 19 in wide panel spaces and all cabinet rack depths. The shelf is one-piece, 16-gauge steel with flanged front and rear to support up to 70 lb. It comes with necessary mounting hardware. Additional brackets are furnished to allow flexibility in mounting. The Bud Industries sliding non-ventilated shelves allow sufficient room in rear for cables and power outlet strips. Requires two pairs of panel mounting rails per cabinet rack. Finish: smooth black, also available in non-ventilated version (Bud part SH-2394).