The Knipex 88 01 Series Alligator® waterpump pliers with dipped PVC handles and a box joint design prevents slipping from the work piece. The gripping surfaces have special hardened teeth to approx. 61 HRC offering high wear resistance and stable gripping. They are made from chrome vanadium electric steel, that has been oil hardened. They offer more output and comfort compared to conventional water pump pliers of the same length and have a 9-notch adjustment positioning for 30 % more gripping capacity. The slim design of the head and joint area provide good access to the work piece and self-locking on pipes and nuts means no slipping on the work piece and low hand force required. Alligator® waterpump pliers have a robust construction, insensitive to dirt. Particularly suitable for outdoor work. The guard prevents operators fingers being pinched. Specification Capacity: 88 01 180: Hex: 36mm, Pipe: 42mm.88 01 250: Hex: 46mm, Pipe: 50mm.88 01 300: Hex: 60mm, Pipe: 70mm.88 01 400: Hex: 95mm, Pipe: 90mm.Knipex 00 20 09 V03 Alligator® Waterpump Pliers Set of 3 Comes with 1 of each size: 180mm, 250mm and 300mm. 88 01 180: Hex: 36mm, Pipe: 42mm.88 01 250: Hex: 46mm, Pipe: 50mm.88 01 300: Hex: 60mm, Pipe: 70mm.