You will get 325 pieces Copper Flat Washers in 10 Different Sizes - M5 M6 M8 M10 M12 M14, for your infinite amount of use.
Made of red copper, tighter seal, higher heat resistance, good electrical and thermal conductivity, Strong wear-resistance and anti-corrosion, hardness, sturdy and durable.
Highly compatible with screws, nuts and bolts of same sizes, providing a greater bearing surface to reduce pressure and friction, prevent leakage, loosening, isolate or disperse pressure.
Packed in an durable transparent box with detailed dimension size table, convenient to carry and use.
Widely applied in industrial, household, commercial appliances as well as, automotive, various electric appliance, fuel, marines, boat, hydraulic fittings etc.