1/4" 0.3 - 6.5mm Hex Shank Drill Chuck Screwdriver Bit Kit For Impact Driver
Driver Shank: 1/4" (6.35mm) Hex Shank. - Use This Chuck to Convert Any cordless Screwdriver into a drill or grinder. - Allows hex drive power tools to use conventional drill bits. Drill Chuck Dia: 0.3-6.5mm.