Half Round Nose Pliers 160mm with cutting edge - Head polished The Knipex half round nose plier has cutting edges for soft, medium hard and hard wire. Hardened, and tempered, ground with induction hardened cutting edges to 60 HRC for cutting hard or soft wire. Features and Benefits 160mm - Bi-material sheathing Vanadium electric steel, forged, oil-hardened in several stages