Keyless 3/8″ Jacobs Drill Chuck Kit
3/8″ x 24UNF KEYLESS JACOBS DRILL CHUCK KIT. 10mm, 3/8″ x 24UNF Jacobs Keyless Chuck Conversion/Replacement/Upgrade Kit 10mm, 3/8″ keyless fits all major brand 3/8″ x 24unf drills. Reduces bit slippage. can be used on hammer drills and works with both corded and uncorded drills.