Brand Name: Milwaukee *Sub Brand: SHOCKWAVE IMPACT DUTY *Drive Size: 7/16 inch drive in. *Length: 2.5625 in. *Material:Heat-Treated Steel *Product Type: Nut Driver *Number in Package: 1 pc. *Packaging Type: Carded *Handle Color Family: Black *Impact Rated: Yes *Shank Type: Hex Shank *Usage: Securing fasteners in tight spaces *Shank Diameter: 1/4 in.