87 21 250 SB KNIPEX Cobra® QuickSet Fully open, push, grab!. additional fast adjustment on the workpiece by sliding the pliers handle. Combines the proven, reliable locking of the hinge bolt with an additional push function which makes it easier to work in very confined and inaccessible areas. The adjustment directly on the workpiece is possible by simply sliding the pliers handle. Reliable locking of the hinge bolt with the first workload. The gripping width of the pliers is then fixed and can only be adjusted by pressing the button To re-activate the sliding function, the hinge bolt must be released by pressing the push button and the pliers must be completely opened again. 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. Pinch guard prevents operators' fingers being pinched.