Milwaukee 5-1/2" Holesaw Extension - 48-28-4001

7/16 in. hex shank. 5-1/2 in. length. For selfeed bits, auger bits and hole saw 1 in. diameter and larger with 7/16 in. shank. Extend your reach 5-1/2 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 3 jawed chucks, 1/2 inch drill capacity and larger, as well as 7/16 inch Quick Change chucks.