Chisels for cutting shaping wrought iron cast iron steel brass bronze copper & aluminium Cutting bolts nuts & rivets Punches for marking centre lines hole locations & pilot drill starting points Set of 12 contains 10mm 12mm & 16mm cold chisels 2mm starter punch 6mm & 8mm centre punches 15mm 3mm 4mm 5mm 6mm & 8mm pin punches