Brand Name: DeWalt *Sub Brand: Impact Ready *Drive Size: 5/16 in. *Length: 2-9/16 in. *Material: Steel *Product Type: Nut Driver *Number in Package: 1 pc. *Impact Rated: Yes *Magnetic: Yes *Shank Type: Quick-Change Hex Shank *Color Family:Black *Shank Diameter: 1/4 in. *Packaging Type: Carded