Features 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 1083°C, 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 Washer Material: Red Copper Use: For oil sump screw plug, water, heating oil and hydraulic connection Package List 30 x M5x9x1 Washer 30 x M6x10x1 Washer 20 x M6x12x1 Washer 20 x M8x12x1 Washer 20 x M8x14x1 Washer 20 x M10x14x1 Washer 20 x M12x16x1 Washer 20 x M12x18x1.5 Washer 20 x M14x18x1 Washer 1 x Storage Box