Extend your reach by 12 in. when drilling with Milwaukee selfeed bits, auger bits and hole saws. Useful for drilling into deep holes, tight spaces, or uneven surfaces, secures with a hex key included.. The 7/16 inch hex fits both 3 jawed chucks, 1/2 inch drill capacity and larger, as well as 7/16 inch quick change chucks.

Product Features:

• Accepts all 7/16 in. hex shank bits
• Hex key included to tighten or loosen the jaw
• Custom alloy 76 steel maximizes resistance to wear and shock