General description This professional-grade Knipex 300mm Alligator Water Pump Pliers are designed for plumbing and mechanical work. Made from chrome vanadium steel, these heavy-duty adjustable groove joint pliers are oil-hardened and tempered for enhanced durability. The tool features smoothly ground jaws and an accurately formed box joint for precise operation, making it ideal for various tasks. Technical specifications Length: 300mm Material: Chrome vanadium electric steel Hardness: Hardened teeth up to 61HRC Adjustment: Nine-position Standards: Manufactured according to DIN ISO 8976 Compatibility and accessories Suitable for gripping pipes, nuts, and fittings in plumbing and home improvement tasks Installation No installation required; ready to use out of the box Usage Adjust the plier to the desired size using the nine-position adjustment Grip pipes or nuts firmly with the hardened, parallelogram-shaped jaws Use the 'no-nip' feature to prevent handle locking and ensure safety