• Works with M18 x 1.5mm spark plug threads.
• For use with 13/16-inch hex socket or 3/8-inch square drive ratchet.
• Cleans oxygen sensor hole threads.
• Designed to straighten damaged threads.
• Prevents cross threading.
 

• Works with M18 x 1.5mm spark plug threads.
• For use with 13/16-inch hex socket or 3/8-inch square drive ratchet.
• Cleans oxygen sensor hole threads.
• Designed to straighten damaged threads.
• Prevents cross threading.