KNIPEX Cobra® - the High-tech Water Pump Pliers. No more time-consuming pre-setting of the required opening size. 

• Just position the upper jaw to the workpiece, push button and move close the lower jaw, ingeniously simple.
• adjustment at the touch of a button directly on the workpiece
• fine adjustment for optimum adaptation to different sizes of workpieces and a comfortable handle width
• self-locking on pipes and nuts: no slipping on the workpiece and low hand force required
• gripping surfaces with special hardened teeth, teeth hardness approx. 61 HRC: low wear and stable gripping
• box-joint design: high stability because of the double guide
• reliable catching of the hinge bolt: no unintentional shifting
• guard prevents operators’ fingers being pinched
• Chrome vanadium electric steel, forged, oil-hardened