• With adjusting screw and release lever, model 137 10 with blue dip-insulated lever • Forged, tempered jaws and special jaw shape for secure gripping, clamping and holding • GEDORE vanadium steel 31CrV3, nickel-plated • Jaw body in high-tensile sheet steel • Automatically welded upper jaw - absolutely firm connection with the sheet steel body • Well-conceived jaw design guarantees a three-point contact with all material cross-sections • Threaded bore welded at bottom • No widening under most extreme loading • Safe release • Release lever under constant pressure of special spring