87 03 250 Sb 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-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 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: 25- Kapazitt Fr Rohre (Zoll): 2 In- Capacities For Nuts: 46Mm- Capacities For Pipes (Diameter): 50MmPTDDRPDIR25999