Knipex 00 20 09 V02 Cobra Professional Water Pump Plier Set 3 Piece The Knipex 002009V02 is a a 3 Piece Cobra Water Pump Plier Set in 3 Sizes, 180mm, 250mm and 300mm. All with a grey atramentized finish, polished heads, chrome vanadium multi stage oil hardened jaws and non-slip plastic coating on handles for added grip. No more time-consuming presetting of the required opening size. Just position the upper jaw to the workpiece, push button and move close the lower jaw, ingeniously simple. Teeth set against the direction of rotation have a self-locking effect and prevent slipping on the workpiece. Features: Push the button for adjustment 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 handforce required Gripping surfaces with special hardened teeth, teeth hardness approx. 61 HRC: high wear resistance and stable gripping Box-joint design for high stability due to double guide Reliable catching of the hinge bolt: no unintentional shifting Guard prevents operators\' fingers being pinched Chrome vanadium electric steel, forged, multi stage oil-hardened Specification: 87 01 180: Adjustment positions: 18 Capacity for pipes (diameter): 1 1/2 Inch Capacities for pipes (diameter): 42mm Capacities for nuts: 36 mm Length: 180 mm Net weight: 0.170kg 87 01 250: Adjustment positions: 25 Capacity for pipes, inches (diameter): 2 Inch Capacities for pipes (diameter): 50 mm Capacities for nuts: 46mm Net weight: 0.335kg Length: 250 mm 87 01 300: Adjustment positions: 30 Capacity for pipes, inches (diameter): 2 3/4 Inch Capacities for pipes (diameter): 70mm Capacities for nuts: 60mm Length: 300mm Net weight : 0.530kg