Package content: The kit contains 5 replacement valve plates, which can be easily and quickly replaced manually, in large quantities. Standard size: Approximate length: 14 x 50 mm / 0.6 x 2 inches. Excellent material: High-quality aluminum material, high strength, good heat dissipation, can ensure the stable operation of the machine after installation. Long-term storage: These valve plates are essential components for air compressor maintenance and can still be used normally after long-term storage. Exquisite appearance: The valve plate is manufactured according to the standard, the processing chain is uniform, the appearance is free of burrs and gaps, the running noise after installation is small, and it is not easy to fall off after installation. Specification: Item Type: Valve Plate Purpose: Silent oil-free machine, necessary accessories for maintenance Material: Aluminum sheet Long Valve Plate Size: Approx. 14 x 50 mm / 0.6 x 2 inches How to use: Air compressor accessories for manual replacement. Package list: 5 x valve plate Delivery quantity: 5 pieces Product color: transparent Product size: 14 x 50 mm Note: manual measurement, please allow an error of 1 - 3cm!!!Yeuri