Safety pin punches, knurled, set in self-service packaging 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 round, knurled shaft, secure hold in wet or oily environments made from round steel – especially practical and slim special alloy based on spring steel, hard and tough for long service life laser-markeメーカー公称