smooth jaws for gentle assembly, adjustable screwdriving tool, suitable for gripping, holding, pressing and bending workpieces, backlash-free and full-surface contact, adjustment at the touch of a button directly on the workpiece, stepless gripping of all wrench sizes up to the specified capacity by means of parallel guided jaws, secure engagement of the articulated bolt, stroke between the gripping jaws enables fast tightening and loosening of screw connections according to the ratchet principle, high clamping force due to 10-fold manual force amplification





