The KNIPEX 8701400 Cobra® XL water pump pliers are a high-performance tool designed for professional use. Measuring 400 mm in length, these pliers feature a self-locking action on pipes and nuts, preventing slipping and reducing user effort. With 27 fine adjustment positions, they offer precise adaptation to various workpiece sizes, accommodating pipes up to 95 mm (3 3/4 inches) and nuts up to 95 mm. The jaws are induction-hardened for enhanced wear resistance and durability. Constructed from chrome vanadium electric steel, oil-hardened for strength, these pliers ensure a secure grip and reliable performance in demanding applications.