87 51 250 SB KNIPEX Cobra® ES Ideal for service, maintenance and equipment repair, in automotive and general industry. Long, narrow jaws. Particularly good access to the workpiece due to very slim construction of head and joint area. Firm grip also on flat material due to three-point rest. Push the button for adjustment on the workpiece. Fine adjustment for optimum adaptation to different sizes of workpieces and a comfortable handle width. Self-locking on pipes and nuts: no slipping on the workpiece and low handforce required. Box-joint design for high stability due to double guide. Reliable catching of the hinge bolt: no unintentional shifting. Favourable lever action: optimum transmission of force. Pinch guard prevents operators' fingers being pinched. Gripping surfaces with special hardened teeth, teeth hardness approx. 61 HRC: high wear resistance and stable gripping. - Adjustment positions: 19- Capacities for nuts: Ø 1 1/4in- Capacities for nuts: 34mm- Capacities for pipes (diameter): Ø 32mm- max. parallel opening width: 37mm- max. gripping depth: 42mm