Features: 1. Made of high-quality copper material corrosion-resistant not easy to rust and break strong and durable. 2. Our copper gaskets can help reduce pressure and friction Avoiding leakage loosening isolating or dispersing pressure. 3. High-quality copper material with good electrical and thermal conductivity and higher heat resistance. 4. Wide range of uses: Oil pan plug gaskets for all types of engines including automobiles ships generators machinery and factories etc. 5. Use with nuts and bolts and provide a larger bearing surface to avoid the nut or bolt head from tearing the fastening material. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: C opper Box size: 22*11.2*3cm Specifications: as shown includes: 1 set x Copper Washers "