KNP8701-7 Features: -A new generation of water pump pliers, for easier and more secure working.-Press button action for fast and firm adjustment directly on the work piece.-Selected jaw opening is positively ensured. 11-position adjustment.-Single hand adjustment.-Self-gripping on pipes and nuts.-The guard prevents operators" fingers being pinched.-The unique jaw design shaped to eliminate nut burring..-Ergonomic design gives you power with comfort..-Approximately 60 HRC hardness of gripping teeth..-Made of chrome vanadium steel and oil hardened..-7 in. "Cobra" Tongue and Groove Pliers. Construction: -Box joint construction. Warranty: -Lifetime warranty does not cover abuse.