6 mm and 8 mm centre punches Suitable for all metalwork tasks Set Content: Punches -1.5 mm, 2mm, 3 mm, 4 mm, 5 mm, 2x6 mm, 2x8 mm, Chisels - 10 mm, 12 mm, 16 mm Cutting bolts, nuts and rivets Punches for marking centre lines, hole and pilot drill starting points Made from chrome vanadium steel which has been treated by quenching and tempering to strengthen and harden the steel for improved product life Chisels for cutting, shaping wrought iron, cast iron, steel, brass, bronze, copper and aluminium 1.5 mm , 3 mm , 4 mm , 5 mm , 6 mm , and 8 mm pin punches