Feature:1. Mainly installed between the cylinder head and the cylinder block to ensure good sealing at the joint surface to prevent air leakage and water leakage.2. The cylinder mounting gasket size is standard, suitable for cylinders with a diameter of 47mm.3. Made of highquality copper material, good ductility and corrosion resistance, stable performance.4. The structure is simple, the opening is accurate, and the installation and disassembly are convenient.5. The kit contains 10 replacement gaskets. Manual replacement is more convenient and quick. It is a good air compressor accessory.Specification:Item Type: Cylinder GasketModel: Cylinder 47 Copper GasketFunction: Sealing functionGasket Outer Diameter: Approx. 72mm / 2.8inApplicable Cylinder Diameter: Approx. 47mm / 1.9inMaterial: CopperDescription: Cylinder 47 means that the diameter of the cylinder is 47mm..Package List:10 x Cylinder GasketNote:When using, pay attention to install it on a cylinder with a diameter of 47mm.