This teng tools 9 piece set contains 6 pin punches 2 cold chisels and a centre punch the tools are supplied in a handy moulded storage tray these striking tools are made of steel which is hardened to ensure a long working life the pin punches can be used to drive pins for affixing a fixture to a rotating shaft whereas the centre punch is ideal for marking the centre of a point as a guide for drilling the set contains the following1 x 150 mm centre punch 5mm6 x 150 mm parallel punches 3 4 5 6 7 a