Knipex 4104250 Round Jaw Locking Pliers 10-Inch Holds round, section and flat material securely. With adjustment screw and release lever and perfect for one-handed operation. High clamping pressure due to toggle lever action. Jaws for round workpieces, with wire cutter. Pliers body: rolled steel, high-strength, forged, oil-hardened. Gripping jaws: chrome vanadium electric steel, forged.