Features The valve plate is used for the intake and outlet parts of the air compressor. It is an indispensable part during maintenance. It is high quality, and the quality is reliable and safe. The valve plate of the air compressor has even processing lines, no burrs and gaps and works silently after installation. I believe it can bring comfort to your life. The valve plate is manufactured to standard and suitable for cylinders with a diameter of 80 mm, which has a variety of functions and obvious effects. The tongue-shaped valve plate is made of high-quality cast iron material with exquisite workmanship, smooth and delicate appearance, durable and long service life. The kit contains 10 valve plates, which can be conveniently and quickly replaced manually, a perfect replacement for old or broken, small size, light weight and easy to carry. Specification: Item Type:Air Compressor Valve Plate Purpose: accessories for air compressors, necessary accessories for maintenance Material: cast iron. Description: Cylinder 80 means that the diameter of the cylinder is approx. 80 mm / 3.1 inches. Package list: 10 x air compressor valve plate. Note: When using, make sure to install a cylinder with a diameter of 80 mm. Package List 10 x Air Compressor Valve Plate