Water pump pliers, a jaw with teeth ribbed flat or round workpieces can be clamped pliers, the opening width is generally a few stalls adjustable, can adapt to different size parts. Water pump pliers pipe clamp function is similar, but relatively compact and lightweight, suitable for home installation of water pipes, the clamping force is small, can also be used in car repair, engine manufacture, installation and maintenance of pipelines and other fields. water pump pliers with beryllium copper and aluminum bronze as raw snap ring pliers Crimping