Use this SHINI LIFESTYLE Pipe Wrench to tighten or loosen threaded pipes during plumbing applications. This wrench has an adjustable head that lets you alter the size of the jaw according to the pipe's radius. Firm Gripping The teeth of this pipe wrench are machined to make them strong for a firm gripping without wearing down the pipe. High-grade Carbon Steel Jaws The jaws of this pipe wrench are made of high-grade carbon steel and are drop forged to enhance their durability. Differential Hardness Pattern The differential hardness pattern of the jaws and the handle offers wear-resistant teeth and tough body, allowing you to use this tool for tough plumbing jobs.