Centre and Pin Punches are universally useful, this simple set will cover the vast majority of anyone's requirements. These punches are made from high carbon steel accurately hardened and tempered to BS 3066 specifications. The punches have a knurled body for a good grip. Centre punches are pointed for making indentations in material to ensure the correct positioning for drilling points, nail punches have a flat tip for location on a nail head. Contents: four nail punches 1/32", 1/16", 3/32", 1/8" and four centre punches 1/16", 1/8", 5/32", 3/16".