How to Use: 1. Disassemble the damaged oil drain screw 2. Choose a tap for example if the original diameter of oil drain hole is M14 then operator needs a M15 tap 3. Use a tap wrench to enlarge the diameter of oil drain hole 4. Take a washer through the new drain plug and then insert a new oil drain plug Package list: 4 * TAPS: M13 * 1.5P; M15 * 1.5P; M17 * 1.5P; M20 * 1.5P. 20 * OIL DRAIN PLUGS: M13 * 1.5 (5Pcs); M15 * 1.5 (5Pcs); M17 * 1.5 (5Pcs); M20 * 1.5 (5Pcs). 40 * COPPER WASHERS: 10 * M13; 10 * M15; 10 * M17; 10 * M20. 1 * Storage Box.
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