Features Use:Valve plates are used for air compressor parts for suction and exhaust, and are essential parts for maintenance. Packs:The kit contains 10 replacement valve plates for air compressors, suitable for 0.75-1.5KW air compressor air pump accessories. Good design:These valve plates are of standard size, and the rectangular design is suitable for installation on a cylinder with a diameter of 51mm. High-quality material: Made of high-quality cast iron material, heat-resistant and corrosion-resistant, suitable for various harsh environments. Easy to operate: Easy to install and disassemble, it is an essential accessory for air compressor maintenance. Specification: Item Type: Air Compressor Valve Plate Model: 51 valve plate Purpose: Air compressor accessories, necessary accessories for maintenance Material: Cast iron Product Size: Approx. 10 x 47mm / 0.4 x 1.9in Explanation: 51 means that the diameter of the cylinder is approx. 51mm / 2in Package List:10 x Air Compressor Valve Plate Note:When using it, please install it on a cylinder with a diameter of 51mm. Package List 10 x Air Compressor Valve Plate