The KNIPEX Tools series of Pipe and Connector Pliers offers 25 adjustments with just the push of a button. The pliers feature a box-joint design and ergonomic handle geometry for gentle loosening of hoses on nozzles. The soft jaw option is an ideal tool for cannon plugs in aviation and electrical connections in high-performance automotive, truck and trailer applications. The rounded jaws grab round pipes and connectors up to 3-5/32" in diameter, suitable for tightening and loosening screw connections, plastic pipe fittings and round nuts.