Hardened and tempered chrome vanadium steel punches and chisels chemically blackened for added corrosion resistance supplied with composite storage case contents cold chisels 10 x 140 12 x 150 16 x 170mm taper punch 2 x 140mm pin punches 15 x 150 3 x 150 4 x 150 5 x 150 6 x 150 8 x 150mm centre punches 6 x 110 8 x 115mm