Milwaukee® Bit Extension, 7/16 in Shank, 12 in Length, Alloy Steel, For Use With: Self-Feed Bits, Auger Bit and 1 in Dia and Larger with 7/16 in Shank Hole Saw

Extend your reach a full 12 in. when drilling with Milwaukee Selfeed bits, auger bits and hole saws. The quick change shank is 7/16 in. hex. The 7/16 in. hex fits both 3 jawed chucks, 1/2 in. drill capacity and larger, as well as 7/16 in. quick change chucks.