Excellent for gripping, holding, pressing and bending applications. Optimized adjustment to the workpiece with hand-friendly position of grips. Reliable catching of the hinge bolt: no unintentional shifting. Lever transmission greater than 10 - 1 for strong gripping power. Adjustable tightening tool. Replaces diverse expensive, large open-end wrenches up to AF 85 mm or 3 3/8". Parallel jaws allow infinitely variable gripping of all widths to the specified maximum size. Smooth jaws, also for gentle installation of quality union joints made from brass, red brass or stainless steel.