• The Craftsman Extreme GRIP 5-piece wrench set features a gripping action that allows you to grip rounded fasteners with up to 5 times more gripping power than a standard Craftsman wrench. • Each wrench features movable jaws to provide a solid fit for standard, metric, and rounded fasteners. • This 5-piece wrench set can be used on the following 12 fastener sizes: 3/8", 7/16", 1/2", 9/16", 5/8", 10, 11, 12, 13, 14, 15, and 16 mm. This set is backed by the Craftsman hand tool.
