Good access to the workpiece thanks to the slim design in the head and joint area, more performance and convenience compared to conventional water pump pliers of the same length: 9-stage notch adjustment for 30% more gripping capacity, push-through joint: high stability thanks to double guidance, self-locking on pipes and nuts: No slipping on the workpiece, energy-saving work, pinch protection prevents crushing injuries. Favorable leverage: optimal power transmission, gripping surfaces with specially hardened teeth, hardness of the teeth approx. 61 HRC: permanently secure gripping due to high wear resistance, chrome-vanadium electric steel, forged, multi-stage oil-hardened