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 handforce required gripping surfaces with special hardened teeth, teeth hardness approx. 61 HRC: high wear resistance and stable gripping, box-joint design: high stability due to double guide robust construction, insensitive to dirt; particularly suitable for outdoor work, guard prevents operators fingers being pinched, Chrome vanadium electric steel, forged, oil-hardened