🔧🔩 SELF-LOCKING DESIGN: Use self-locking function with Built-in automatic locking spring, easily operated with one hand, simple and practical, improve efficiency. 🔧🔩 SUPERIOR GRIP: Forged jaws with double threads teeth can grab the pipe or nuts firmly, anti-slip and quick adjustments, easy to use, save your time and energy. 🔧🔩 COMPATIBLITY: Clamping range from 7-15 mm for 6 inches wrench, Clamping range from 9-25 mm for the 8 inches wrench, Clamping range from 15-35 mm for 10 inches wrench,Clamping range from 19-43 mm for 12 inches wrench,widely use on pipe, screw, nut and so on. 🔧🔩 STURDY CONSTRUCTION: Made of Chrome vanadium alloy steel, quenched and forged body, hardness can be up to HRC 60, sturdy and durable for long lifetime. 🔧🔩 MULTIFUNCTION HANDLE: Ergonomic handle keeps the user's wrist in a comfortable position to reduce strain. The hardened tail made of carbon steel can be used for prying or chiseling, good assistant for home travel., Manufacturer: Georcep