More output and comfort compared to conventional water pump pliers of the same length: offers nine adjustment positions 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 reliable gripping. Box-joint design: high stability because of double guide. Robust construction- particularly suitable for outdoor work. Pinch guard prevents operators´ fingers being pinched.