The P&N Hand Tap Set Metric - 3 Piece is a handy set for DIY repair work and rethreading where high accuracy and tolerance thread are not critical. The range includes M5 x 0.8, M6 x 1.0, and M8 x 1.25mm taps with straight flutes suitable for through hole tapping up to 1-1/2 inch diameter holes. The taps are made from high-quality tungsten chrome alloy and have a square shank with taper ground edges to allow use with a suitable tap wrench to drive the tap. - Range: M5 x 0.8, M6 x 1.0, M8 x 1.25Ideal for DIY repair work and rethreading where high accuracy and tolerance thread is not critical - Straight flutes suitable for through hole tapping up to 1-1/2 x diameter - Square shank for use with a suitable tap wrench to drive the tap - Made from tungsten chrome alloy