The Blue Spot 20 piece Thread Restorer Set is specially designed to repair and restore old, damaged and stripped threads. Heat treated for increased durability. Supplied in a storage case, contains:
9 Taps and Dies: M3-0.5mm, M4-0.7mm, M5-0.8mm, M6-1.0mm, M7-1.0mm, M8-1.25mm, M10x1.5mm, M12x1.75mm, NPT1/8x27.1 x Tap Wrench.1 x Die Handle.