Water pump pliers developed according to the scientific ERGO™ process.One hand operated quick adjust mechanism.Teeth designed to ensure grip.Jaws for flat and pipe shape gripping.ERGO™ handles in two-component combination, thermoplastic surface, for comfortable grip, on tough polypropylene core for rigidity.Material: High performance alloy steel, hardened for extra durability.Phosphate finish, anti-corrosion treated.ISO 8976.IP: Industrial Packed.Single thumb button adjustment.Maximum comfort with minimum effort due to the ergonomic design.Comfortable two-component handles giving an excellent grip.Easy single hand operation with the thumb adjustment button.Suitable for both flat and round gripping