• 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.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.• 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. VS