Klein Tools 32793 Pro Impact Driver Bit, 5/16-Inch Hex Nut Driver, 3 Pack

Longer pro impact power bits are designed to reach easily into boxes and panels, Hex pockets have minimal chamfering increasing surface contact between the nut and driver, S2 Impact-Rated Steel for maximum life, Bits are color coded with the ASME standard for easy identification, Standard 1/4-Inch hex shank, Includes 3, 5/16-Inch power nut drivers, Can be found along other sizes and tips in the Pro Impact Power Bit Set (Cat. No. 32799)