Item Type: Valve Plate Material: Cast Iron Model: 1100W Double Inlet and Double Outlet Valve Plate Long x Width x Height: Approx. 124 x 100 x 5mm / 4.8 x 3.9 x 0.2in Drive Mode: Pneumatic Purpose: Silent Oil-Free Valve Plate, Air Compressor Accessories Package List 1 x Valve Plate Please allow 0& 8209;2 cm error due to manual measurement. Thanks for your understanding. 1Made of cast iron, durable, standard manufacturing, easy to disassemble and install 21100W double inlet and double outlet valve plate, common accessories for silent oil-free machine 3The valve plate is 124mm long, 100mm wide, and 5mm thick, which is heat-resistant and not easy to corrode 4Valve plate is used for silent oil-free machine valve plate, air compressor accessories 5Valve Plate is small size, easy to install, no need to worry about installation problems