Draper KNIPEX 88 03 250 ALLIGATOR® WATER PUMP PLIERS, 250MM88 03 250 KNIPEX Alligator good access to the workpiece due to slim size of head and joint area. more output and comfort compared to conventional water pump pliers of the same length: 9 notch adjustment positioning for 30 % more gripping capacity. 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