SELF-LOCKING PIPE WRENCH TOOL:Heavy duty pipe wrench adjustable industrial grade multifunctional self adjusting wrenchl with built-in automatic locking spring, designed with self-locking function, convenient for one handed operation, simple and practical, greatly improving work efficiency. SUPER GRIP STRENGTH: The forged double threaded jaws of the pipe vise wrench have good anti slip performance, which can be quickly adjusted during use and firmly grip the pipeline or nut, making it convenient to use and saving you time and energy. DURABLE AND STURDY: The adjustable pipe wrench is forged from high-quality chromium vanadium alloy steel, with a large opening and six adjustable positions. It is thickened, quenched and forged, and has a hardness of up to HRC 60. It is twisted, safe, stable, non slip, sturdy, durable, and has a long service life. SELF ADJUSTING WRENCH：Clamping range from 7-15 mm for 6 inches wrench, 9-25 mm for 8 inches wrench, 15-35 mm for 10 inches wrench, and 19-43 mm for 12 inches wrench，widely use on pipe, screw, nut and so on. MULTIFUNCTION HANDLE:Universal Adjustable micro 5 wrench have an ergonomic handle that keeps the user's wrist in a comfortable position to reduce pressure. The hardened tail made of carbon steel can be used for prying or chiseling, making it a good assistant for home repairmen., Weight: 0.440924524 pounds, Manufacturer: THEshyop