Feature: 1. Valve plates are used for air compressor parts for suction and exhaust, and are essential parts for maintenance. 2. The processing lines are uniform, without burrs and gaps, and there is no noise when running after installation. 3. The valve plate is manufactured according to standards and is suitable for cylinders with a diameter of 80mm. 4. Made of high‑quality cast iron material, heat‑resistant and corrosion‑resistant, good environmental adaptability. 5. The kit contains 10 valve plates, which are convenient and quick to replace manually. Specification: Item Type: Air Compressor Valve Plate Purpose: Air compressor accessories, necessary accessories for maintenance Material: Cast iron Description: Cylinder 80 means that the diameter of the cylinder is approx. 80mm / 3.1in. Package List: 10 x Air Compressor Valve Plate Note: When using, pay attention to install a cylinder with a diameter of 80mm.