Quality Materials: To ensure stable and non-slip pliers, our multi-purpose pliers are made of chrome vanadium steel and are heat treated. A quality hardened material, our pliers sets are built to last. Each pump pliers is coated with anti-rust oil to effectively prevent rust, making your work easier, safer and more efficient. Three sets of pliers: 200mm, 250mm and 300mm water pump pliers. Opening capacity: 36mm for 200mm model, 38mm for 250mm model and 45mm for 300mm model. Can grip any shape of object - round, square, hexagonal. Adjustable Jaws: Our jaws are designed with sliding slots, and the size of the jaws can be adjusted by moving them, with a total of 7 adjustment levels. There is no need to test the size of your plumbing beforehand. Simply adjust the knob to the specific size and tension of the fixing nuts and bolts. Wide range of applications: Our plumbing pliers are suitable for all household repairs and are a good addition to your toolbox. Perfect for plumbers and DIY