Gray Tools
53-piece Rethreading Kit
Required 13 inch-pounds for repair, 10 inch-pounds for new nut installation (second best). Includes large dies up to 3/4 inch and 20mm. Limited lifetime warranty. Made in USA but experienced more visible wear than Lang Tools.
View on AmazonReviews (1)
The Most Useful Tool You've Never Heard Of!
Project Farm
Sep 21, 2025
Ranked #3
3.8
"Required 13 inch-pounds for repair, 10 inch-pounds for new nut installation (second best). Includes large dies up to 3/4 inch and 20mm. Limited lifetime warranty. Made in USA but experienced more visible wear than Lang Tools."