These faithfull vde water pump pliers are manufactured from chrome vanadium steel and undergo stringent high voltage tests in accordance to ice 609002004 and can safely be used when working on live electrical wires at voltages of up to 1000 volts ac these adjustable pliers are designed for gripping pipes nuts and bolts the sliding pivot allows a wide range of jaw opening adjustments length 250mm 10in jaw opening up to 60mm