M18 x 1.5 can be used with 3/4" hex socket or 3/8" square screwdriver, also works with M18 x 1.5 spark plug threads. The tool has M12 x 1.25 and M18 x 1.5 two size thread chaser. Thread size: M12 x 1.25, M18 x 1.5.
This product would be ideal for automotive professionals who need a repair kit to replace or repair O2 (oxygen) sensors' threads.
