Supercrazy 64pcs Oil Pan Drain Plug Thread Repair Tool Kit M13 M15 M17 M20 SF0041 Made of high quality materials, the kit is designed for long life in daily workshop use. A comprehensive thread repair kit ideal for repairing sump, gearbox and differential drain plug threads. Used to tap the damaged thread slightly oversize, then fit a new drain plug and washer (supplied). Set is suitable for the most popular threads used on cars and light commercial vehicles. Tap Sizes: M13 x 1.5, M15 x 1.5, M17 x 1.5, M20 x 1.5mm.