M12 x 1.25mm Thread size. M12 x 1.25 Inserts total length 9.5mm. M12 x 1.25 Inserts total length 11.5mm. M12 x 1.25 Inserts total length 12.7mm. M12 x 1.25 Inserts total length 19mm. Special HSS tap with 16mm 6 point drive.
Spark plug rethreading tap thread repair set M12x1,25 with threaded sleeve can be recommended to others who have damaged the spark plug threads in the
The product is very good and fit perfectly. Do not know after long-term use. Get tested this over time and see if it holds and that the socket does not come out when I need to replace the spark plug. Fitted according to description, fastened with lock case.