Alligator Water Pump Pliers are self-locking on pipes and nuts with no slipping on the workpiece and low hand force required The Knipex 8801250SB Alligator Water Pump Pliers have a black atramentized finish with a polished head. The handles have a non-slip plastic coating. The Pliers are self-locking on pipes and nuts with no slipping on the workpiece. The complete actuating force can be used to turn the workpieces, not having to squeeze the pliers handles reduces the required effort. Features: More output and comfort compared to conventional water pump pliers of the same length: 9-notch adjustment positioning for 30% more gripping capacity Good access to the workpiece due to slim size of head and joint area 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: high wear resistance and stable gripping Box-joint design for high stability due to double guide Robust constructio