The 3-piece Pliers and Wrench includes one 10 in. Groove Joint Pliers, one 8 in. Slip Joint Pliers and one 8 in. Double Speed Adjustable Wrench. Groove Joint Pliers also known as tongue and groove pliers are often used for gripping irregularly shaped objects. It can also be used for clamping materials. The Standard Slip Joint Pliers are used for turning or bending small objects. It is designed to allow the worker to apply force to the object being gripped. The patented Double Speed Adjustable Wrench jaws open 2X faster than a standard adjustable wrench. It is designed to be used with multiple sizes of nuts and bolts.