The perfect tool for every application. The KNIPEX Cobra Water Pump Pliers is compact, light and stable. Stop the guess work with a KNIPEX Cobra® Water Pump Pliers, this tool offers endless possibilities. Adjustment at the touch of a button directly on the workpiece. Fine adjustment for optimum adaptation to different size workpieces and a comfortable gripping position. Self-locking on pipes and nuts: no slipping off 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. Pinch guard prevents operators' fingers being pinched. Reliable catching of the hinge bolt: no unintentional shifting. Set includes eight (8) Cobra® Water Pump Pliers: 87 00 100 (4"), 87 01 125 (5"), 87 01 150 (6"), 87 01 180 (7 1/4"), 87 01 250 (10"), 87 01 300 (12"), 87 01 400 US (16"), 87 01 560 US (22").