Stanley STHT0-74361 ControlGrip Groove Joint Pliers 250mm The Stanley STHT0-74361 Groove Joint Pliers (also known as water pump pliers) are used to grip irregularly shaped objects. They include the new Dynagrip with control grip for reduced fatigue upon use. Features of this model include a tough spot to allow force in the application and contours to fit in the palm more comfortably. Features: The new Dynagrip with control grip provides the comfort to use the tool and reduces hand fatigue Feather for touch control Soft spot for palm rest Tough spot to allow force in the application Contours to fit in a palm more comfortably Specification: Length: 250mm