Milwaukee Quik-Lok 5.5 in. Alloy Steel Drill Chuck Extension 7/16 in. Hex Shank 1 pc

The 7/16 inch universal Quik-Lok extension has an innovative design that fits all 7/16 inch shanks with or without a power-groove, the unique design requires no tools to change out bits, making it fast and efficient. These new extensions are impact rated for maximum durability.