DEWALT Chuck in the Drill Parts & Attachments department at Lowes.com
1.5-13mm Drill Chuck Drill Adapter 1/2 Inch Changed Impact Wrench Into Electric Drill;1.5-13mm Drill Chuck 1/2 Inch Changed Impact Wrench Into Electric Drill - Walmart.com
Keyless Hex Shank Drill Bit Chuck Adapter for Impact Driver Socket - YouTube