Elastic tips: indeformable, even when subjected to torsion Precision tips that are flexible and can withstand torsion half-round, long, tapered jaws With cutting edges for soft, medium-hard and hard wires Induction-hardened cutting edges, hardness approx. 61 HRC Straight jaws Vanadium electric steel, forged, oil-hardened in several stages Insulated handles with bi-material sheaths.