The TM-GJP10 TOUGH MASTER Groove Joint Pliers are an extremely versatile tool for professional tradespeople. They are made from high-quality chrome vanadium which is a highly durable material built to withstand tough environments and last for years to come. The water pump pliers have adjustable jaws to make it easier to do various tasks and a comfortable non-slip grip for little wrist strain during long sessions, as well as complete user control. Grip round, flat, square and hex shapes with ease thanks to the diamond jaw design, and eliminate re-tightening due to the tool’s one-piece rivet design. The multi grip groove joint pliers are suitable for a variety of applications, including automobile, water, agricultural, pipeline maintenance. With the best water pump pliers from TOUGH MASTER, you can hold almost all objects, irrespective of their shapes or diameter. It doesn't matter if the object you want to grip is round, oval, square, or hexagonal irregularly shaped, the large water pump pliers can handle it without a worry.