Milwaukee 48-28-4006 Bit Extension 12 in.

Extend your reach a full 12 inches when drilling with Milwaukee Selfeed Bits, Auger Bits and Hole Saws. The Quick Change shank is 7/16 inch hex. The 7/16 inch hex fits both 3For selfeed bits, auger bits and hole saw 1 in. diameter and larger with 7/16 in. shank jawed chucks, 1/2 inch drill capacity and larger, as well as 7/16 inch Quick Change chucks.