0.3-6.5mm Keyless Drill Bit Chuck Adapter with 1/4" Hex Shank for Impact Drive

Driver Shank: 1/4" (6.35mm) Hex Shank. 1pc x Keyless Drill Chuck. - Allows hex drive power tools to use conventional drill bits. - Use This Chuck to Convert Any cordless Screwdriver into a drill or grinder.

eBay