Extend Your Reach by 2 Foot When Drilling with Milwaukee Self-Feed Bits, Auger Bits and Hole Saws; Accepts All 7/16 Inch Hex, 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

Specifications:

Tool End Type: Hex Wrench
Tool End Size: 1 Inch
Mounting End Size: 7/16 Inch
Overall Length: 24 Inch