Induction hardened cutting knives for long life. Hot-riveted joint ensures smooth action and no handle wobble. Custom, US-made tool steel, precision-hardened plier head for on-the job toughness. Plastic-dipped handles for comfort and ease of identification. "Handform" handles for full gripping and cutting power. Streamlined design with sure-gripping, cross-hatched knurled jaws. Used by linesmen, electricians and mechanics. Sku 636.7817 cuts ACSR, screws, nails and most hardened wire.