KNIPEX Cobra High-tech Water Pump Pliers are lightweight yet incredibly stable, designed for quick and easy adjustment on the workpiece with just the touch of a button. These pliers feature a self-locking mechanism on pipes and nuts, reducing slipping and requiring minimal hand force. Made with special hardened teeth boasting a hardness of approximately 61 HRC, they provide excellent wear resistance and a strong, stable grip. The box-joint design enhances stability through a double guide, while the reliable catching hinge bolt prevents any unintentional shifting during use. Comfort is a priority with a handle width designed for ease and convenience, and safety is ensured with a pinch guard to protect your fingers. Crafted from chrome vanadium electric steel, forged and multi-stage oil-hardened, these pliers durability for demanding tasks. Model Number: 87 01 250 SBA