Simply install die onto the damaged or dirty threads, and use a standard wrench to work the die back and forth until the threads are repaired and cleaned. Kit includes a set of seven dies (M14-1.50, M16-1.50, M18-1.50, M20-1.60, M24-1.50, 3/4"-16 and 7/8"-14). Thread restoring dies made especially for ATV axles. Made in the USA.
