These Cobra Water Pump Pliers are part of a range of hand tools from Knipex designed for use on water pipes. These pliers save the time-consuming need to preset the required opening size. Just position the upper jaw to the workpiece, push button and close the lower jaw. It's that simple. The anti-pinching protection protects your hands from injury.These pliers are made of oil-hardened chromium-vanadium electric steel for the toughest jobs, and are fitted with a non-slip grip cover. The Cobra Hightech range from Knipex is designed to save you time without compromising on quality. Each wrench is designed to autolock to your desired capacity by simply positioning the upper jaw to the workpiece, pushing the button and moving the lower jaw to the close position. Available in a range of sizes, each product is manufactured from durable chrome vanadium steel and possesses ergonomic, comfort handles. Features and Benefits Ergonomically designed handle with optimum width for complete user comfort and grip when using Simple adjustments can be made to suit your specific application; simply push the button for adjustment on the workpiece Possesses a self-locking on pipes and nuts: no slipping on the workpiece and low handforce required Special hardened teeth are specifically designed for optimum grip on surfaces Box-joint design provides high stability due to the double guide feature Reliable catching of the hinge bolt ensures that there is no unintentional shifting when using Guard prevents operators' fingers from being pinched, thus preventing injury Chrome vanadium electric steel, forged and multi stage oil-hardened for an extremely durable product Available in a range of sizes to suit your specific requirements Typical Applications Engineering Automotive Plumbing Standards DIN ISO 8976