87 01 180 KNIPEX Cobra® Push the button for adjustment on the workpiece. Fine adjustment for optimum adaptation to different sizes of workpieces and a comfortable handle width. Self-clamping on pipes and nuts: no slipping on the workpiece, effortless working. Gripping surfaces with special hardened teeth, teeth hardness approx. 61 HRC: high wear resistance and stable gripping. Box-joint design for high stability due to double guide. Reliable catching of the hinge bolt: no unintentional shifting. Pinch guard prevents operators' fingers being pinched. - Adjustment positions: 18- Capacities for pipes (diameter): Ø 1 1/2in- Capacities for nuts: 36mm- Capacities for pipes (diameter): Ø 42mm