TAPS, DIES AND HOLLOW PUNCHES

5pcs Spark plug rethreader, EN64101
Repairing stripped or damaged threads in aluminum cylinder heads.
Solid steel inserts replace damaged threads
Contents:
1 pc 14 mm Spark plug rethreader
4 pc inserts: 3/8", 7/16", 1/2", 3/4" long

Made in Taiwan