Hightech Water Pump Pliers. 25 adjustment positions. 2" capacity for pipe. Adjustment at the touch of a button. Self-locking on pipes and nuts: no slipping on the workpiece and low handforce required. Gripping surfaces with special hardened teeth, teeth hardness approx. 61 HRC: low wear and stable gripping. 10" Knipex Cobra Pliers #8701250 (8701250)