Klein's 3-Piece Plier Wrench Set includes 7-Inch, 10-Inch, and 12-Inch adjustable plier wrenches. Their reversible jaws provide smooth parallel surfaces on one side for use as a traditional plier wrenches, with the added versatility of knurled teeth on the reverse sides when extra bite is needed on pipe or other round objects. They also include unique and efficient push button adjustment.