DEWALT Chuck in the Drill Parts & Attachments department at Lowes.com
1set Electric Hammer Drill Chuck Adapter 1.5-13mm 1/2" - 20unf Thread With Sds Plus And Key For Rotary Tools - Power Tool Accessories - AliExpress
LABEAR Drill Chuck Keyless Mini Adapter ¼ Inch Hex Shank | 0.3 - 3.2mm Capacity for Micro Drill Bits For Cordless Screwdrivers, Drills, and Power DIY Tools - - Amazon.com