Pin punches, octagonal, set in practical plastic holder for safe drift punching of rivets, pins, bolts or connecting elements cylindrical part with excellent hardness and toughness, extremely resistant with subsequently tempered striking head, prevents splintering according to current standards made of octagon steel, for safe handling special alloy based on spring steel, exceptional elasticity coupled with with high hardness laser-marked serial number, lifetime guarantee observe the safety instrメーカー公称