Features:
1. This kit provides new enlarged thread and replacement drain plug screws
2. For use when existing threads are damaged or worn away
3. Renew the damaged oil drain thread
4. Provide replacement of oil drain nut
5. Covers a wide range of vehicle applications

This Set Includes:
6 x TAPS: M13 x 1.25P / M13 x 1.5P / M15 x 1.5P / M17 x 1.5P / M20 x 1.5P / M22 x 1.5P;
36 x Oil Drain Plugs: M13 x 1.25 (x6), M13 x 1.5 (x6), M15 x 1.5 (x6), M17 x 1.5 (x6), M20 x 1.5 (x6), M22 x 1.5 (x6);
72 x Copper Washers: 24 x M13, 12 x M15, 12 x M17, 12 x M20, 12 x M22

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;