General description 12 piece parallel punch and chisel set for a wide range of applications. Technical specifications Material: Heavy-duty chrome-vanadium steel Cold Chisels: 10mm, 12mm & 16mm Parallel Pin Punches: 1.5mm, 3mm, 4mm, 5mm, 6mm & 8mm Taper Punches: 2mm, 6mm & 8mm