Water pump pliers, developed according to the Scientific ERGO™ process. ISO 8976. Execution: Phosphated, corrosion-resistant treated. Material: high-alloy quality steel. ERGO™ handles of two component material, a thermoplastic layer over a hard polypropylene for a sturdy grip and maximum gripping comfort. Parallel, specially hardened jaws. The teeth that are under a certain angle guarantee a secure grip. With both flat and preformed jaws, for both flat material and pipe material. Can be adjusted quickly by pressing the button on the top handle without having to remove the pliers from the workpiece. Adjustable in 10, 11, 12 & 16 different positions depending on the model. IP = Industrial Packaging