Keyless Chuck 2 13 mm 1/2 Inch x 20UNF with 1/4 HEX, 3/8 SDS Plus, Impact Wrench Adapter, Quick Release Drill for Wrenches

The 3-class jaw design: allows you to securely hold round shank drills from 2mm to 13mm (0.07-0.5") with ease. KEYLESS DESIGN With the tool-free accessories, you can quickly and easily lock and unlock. Universal Fit Change - For use with impact drivers, simply snap into cordless screwdriver. PROFESSIONAL DRILL CONVERSION TOOL Converts a cordless screwdriver into a drill or grinder in seconds. Universal tool: 1/2 inch × 20 Unf female thread mount suitable for all drills. The thread on the adapter mount of the drill chuck is an M12 x 1.25 thread.