Check the listing for details. 14pcs Copper Flat Washers M24x30x1.5mm Sealing Ring Plug Gaskets. Condition: New. Listed at 11.48 USD. Reasons for selection - This oil plug gasket is made of copper, which is corrosion-resistant and resistant to high and low temperatures. Its smooth, wear-resistant surface provides excellent sealing performance, offering a larger contact area to reduce pressure and friction, effectively preventing leakage and loosening.Measurement - Inner diameter: 24mm / 0.94 inches; Outer diameter: 30mm / 1.18 inches; Thickness: 1.5mm / 0.06 inches; Package includes: 14pcs flat washers.Suitable for - Flat washer assemblies are suitable for screws, nuts, and bolts of the same size and can be used in a variety of applications, including interior decoration, outdoor construction, electrical repair, and furniture repair. They are widely used in industrial, automotive, electrical, marine, and home projects.