Brand Name: Milwaukee *Sub Brand: Shockwave *Length: 6 in. *Material: Alloy Steel *Product Type: Impact Magnetic Locking Bit Holder *Shank Diameter: 1/4 in. *Shank Type: Hex Shank *Number in Package: 1 pc *Accepts Shank Diameter: 1/4 in. *Usage: Extending reach of bits *Impact Rated: Yes *Quick-Change Mechanism: Yes *Packaging Type: Carded *Magnetic: Yes *Discovery -  Express, Convenience,  Core,  Super,  Other