Feature:1. Heat Treatment and 200Pcs: The oil drain plug washer kit adopts heat treatment process, and there are 200pcs overall, the quantity meets your daily maintenance needs.2. Red Copper Material: The oil drain plug gasket is made of excellent red copper material with melting point up to 1083C, which is strong and durable.3. 9 Types: The oil drain plug gasket has stable performance, there are 9 types, namely, M5x9x1 washer, M6x10x1 washer, M6x12x1 washer, M8x12x1 washer, M8x14x1 washer, M10x14x1 washer, M12x16x1 washer, M12x18x1.5 washer, M14x18x1 washer.4. Sealing Strong: The drain plug washer is designed to increase the toughness of copper, reduce its hardness, moderately soft, so that the copper washer sealing strong.5. Electrical and Thermal Conductivity: The drain plug gasket is finely processed to have good electrical and thermal conductivity.Specification:Item Type: Oil Drain Plug WasherMaterial: Red CopperUse: For oil sump screw plug, water, heating oil and hydraulic connection.Package List:30 x M5x9x1 Washer30 x M6x10x1 Washer 20 x M6x12x1 Washer20 x M8x12x1 Washer 20 x M8x14x1 Washer 20 x M10x14x1 Washer 20 x M12x16x1 Washer20 x M12x18x1.5 Washer20 x M14x18x1 Washer1 x Storage Box