DEWALT Impact Ready 1/4-in to 1/2-in Standard Socket Adapter in the Socket Adapters department at Lowes.com
uxcell 1/2" Square Drive to 1/4" Hex Socket Adapter Drill Chuck Converter with PH2 Double End Screwdriver Bit, O-ring and Dowel Pin - Amazon.com
Genuine+Makita+Bit-Adapter+1%2F4%22+%2F2%22+Part+P-05941 for sale online | eBay
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