Manufactured from Quality Chrome Vanadium. Drop forged CRV. Hardness of High Strength, Toughness. | High-frequency Hardened Jaw special Quench Treatment, Stronger Shear Ability, Sharp Wear-Resisting, Durable. | Non-Slip Plastic Cover, with two colors comfortable dipped handle. Make Handle light and firm. Durable, Not easy to fall off. | Jaws are secured with Rigged Screws. Opens Easily, Cut Easily, Eases Efforts. | Can be used for Pull Nail Operation, Cut Iron Wire / Steel Wire and Cut Electric Wire / Strip Electic Wire. | High Quality and Hard Jaw Design, can be used to cut wire, winding the wire,pull nails, etc. Extensive use, Powerful.