The 20-556 Stanley is a multi-use tool that includes an adjustable wrench, adjustable pliers and a slotted/Phillips screwdriver. It has a 12-inch adjustable jaw capacity and a durable steel construction. It also features a non-slip vinyl handle that provides a secure grip and comfortable use. The jaw capacity allows the user to easily handle many types of tasks, including turning nuts and bolts, gripping, cutting and grabbing objects. The 20-556 Stanley also has a built-in lock that prevents accidental unfastening and allows for quick and secure tightening.