KT Pro Tools offers the 15-pc. Reversible Combination Speed Wrench Set, SAE 12PT. Sizes in the kit include: 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8" and 15/16". Set also includes a 1/4" bit adapter, and a 1/4", 3/8" and 1/2" socket adapters. These tools are fashioned from chrome vanadium steel, polished to a mirror finish and guaranteed for life against defects in material or workmanship. All tools are stamped with over size markings for easy identification. Set comes in a plastic carrying case.