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)