Meet the KNIPEX 16 in. heavy-duty XL Pliers Wrench - A one-of-a-kind tool with unlimited possibilities. From gripping and holding to pressing and bending applications, there is little that this XL Pliers Wrench can't do. With smooth jaws that won't damage or mar the surface of work pieces, to a push-button adjustment that maintains the tool's setting: the XL Pliers Wrench is everything that you need to get the job done. Replaces a full set of inch and metric open end wrenches. The adjustable tightening tool is excellent for gripping, holding, pressing and bending applications. The smooth jaws allow for careful installation of plated fittings and won't damage chrome and other soft finishes. Parallel jaws allow infinitely variable gripping of all widths to the specified maximum size and are designed to not round off nuts and bolts Reliable catching of the hinge bolt: no unintentional shifting under work-load. The action of the jaws allows bolted connections to be tightened and released quickly using the ratchet principle. Lever transmission greater than 10 to 1 for strong gripping power. Chrome vanadium electric steel; forged, oil-hardened. Adjustable jaw opening up to 3-3/8 in. (85 mm).