1/2" Shank to 1-1/4" M Core Bit to Drill Adapter by BLUEROCK ® Tools Model # 1 - BLUEROCK Tools
DEWALT Impact Ready 1/4-in to 1/2-in Standard Socket Adapter in the Socket Adapters department at Lowes.com
Drill Bit Adapter Set Impact Grade Socket Adapter/ Extension Set Universal Socket Wrench Adapter Set Hex Shank Drill Nut Driver Bit Set Sizes,, For Screwdriver, Cordless Drill, Power Drill - Temu
Amazon.com: Quick Release 1/2-Inch Square Drive to 1/4-Inch Hex Female Socket Impact Adapter Drill Chuck Set of 2 for Air and Electric Impact Wrench : Patio, Lawn & Garden