Aligator Pliers. 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 in the 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: low wear and stable gripping. Box-joint design: high stability because of 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.