RUKO-A214-195-130-Piece-HSS-G-Drill-Bit-Set-RUKO-A214195-P-A-130-piece-HSS-twist-drill-bit-set-complying-with-DIN-338-type-N-P-P-The-drills-are-ideal-for-steel-cast-steel-alloyed-&-unalloyed-up-to-900-N-mm-sup 2-strength-grey-cast-iron-malleable-cast-iron-spheroid-iron-&-pressure-casting-sintered-iron-nickel-silver-graphite-short-chipping-aluminium-alloys-brass-&-bronze-P-RUKO-A214195-HSS-G-Drill-Bit-Set-130pc