Milwaukee 12 in. x 3/8 in. Bit Extension for Selfeed Bits and Hole Saws

The Milwaukee 48-28-4008 3/8 in. x 12 in. High-Speed Steel Keyed Extension Bit fits 3-jawed chucks. This bit is designed to extend your reach by 12 in. when drilling with Milwaukee hole-saw arbors. For 3/8 in. hex shank hole saw arbors. The bit is 12 in. in length.