Titan 16297 9-Piece Metric Magnetic Nut Driver Set, Nut Setter Set includes: (9) 2 in. Magnetic Nut Setter: 5, 5.5, 6, 7, 8, 9, 10, 11, and 12mm. Made from chrome vanadium steel with black oxide finish to resist corrosion. Impact-grade for use in high torque applications, impact wrenches, air guns, etc. 1/4-Inch hex shank can be used with a variety of quick-change chucks and drills. Meets and exceeds ANSI standards.