With the Silbertool® XR-60 (Ø 10-60mm) and the Silbertool® XR-120 (Ø 50-120mm) Thread Saver, you can repair any thread within diameters of 10mm up to 120 metric or inch threads. The tools are for professional use The modular design allows you to change the repairing dies to whatever thread pitch you need to repair, in either metric or inch (sold separately or as a complete set with tool). All you need to do is to is mount the rollers with the required pitch into your tool to start the repair. The Silbertool® thread repair tool is very easy to use, simply by hand!  Come in carrying case.