Superb 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. Supplied in storage case. Features & Benefits:Superb 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.Supplied in storage case.Model No. VS660 Specifications: Model No VS660 Brand: Sealey Nett Weight: 1.37kg Tap Sizes: M13 x 1.5, M15 x 1.5, M17 x 1.5, M20 x 1.5mm