Check the listing for details. M8x16x1mm Flat Washers, 50PCS Aluminum Automotive Drain Plug Gaskets, Silver. Condition: New, Made in China. Listed at 12.37 USD. Flat washer combinations can be used to secure bolts with a diameter smaller than the washer hole, suitable for a variety of applications including interior decoration, outdoor construction, electrical maintenance and furniture repair. Suitable for industrial, automotive, electrical, marine and home projects.SpecificationsColor: SilverMaterial: AluminumInner diameter: 8mm / 0.31 inchOuter diameter: 16mm / 0.63 inchThickness: 1mm / 0.04 inchPackage Includes: 50 x Flat WashersAdvantageMade of aluminum material, smooth surface, no burrs, durable, high strength, good corrosion resistance and wear resistance, providing a tighter sealOur washers can fit screws, nuts and bolts of the same size, providing a larger bearing surface, thereby reducing pressure and friction, and can effectively prevent leakage and loosening.