KNIPEX Cobra® Water Pump Pliers 7 in., 10 in., & 12 in. Set is designed for professionals who demand strength, durability, and precision in their tools. Crafted from chrome vanadium electric steel, these pliers are forged and multi-stage oil-hardened to ensure maximum toughness. The set features a fine adjustment function that allows for optimal adaptation to various sized workpieces, along with a self-locking mechanism on pipes and nuts for secure gripping. With teeth hardness around 61 HRC, these pliers provide high wear resistance and stable performance. Additional features include a reliable hinge bolt catching system that prevents unintentional shifting and a pinch guard to protect fingers during use. This versatile set includes three sizes of the high-tech KNIPEX Cobra® Water Pump Pliers: 7”, 10”, and 12”. Model Number: 00 20 06 US1