Brand Name: Milwaukee *Length: 12 in. *Material: Alloy Steel *Product Type: Drill Bit Extension *Shank Diameter: 3/8 in. *Shank Type: Hex Shank *Number in Package: 1 pc. *Packaging Type: Carded *Usage: Extending reach of bits *Accepts Shank Diameter: 3/8 in. *Impact Rated: No *Quick-Change Mechanism: No *Magnetic: No