．Cleans threads in oxygen sensor holes.
．Use with 21mm hex socket or 3/8” square drive
．M18 x 1.5 also works on M18 x 1.5 spark plug threads
．Use with 21mm hex socket or 3/8” square drive
．M18 x 1.5 also works on M18 x 1.5 spark plug threads
11
11