Adjustable-Thread-Restorer-HSS-Steel-Blades-Draper-Expert-03333-Ideal-for-quick-and-easy-restoration-of-damaged-threads-this-adjustable-thread-restorer-has-twin-angled-HSS-steel-blades-p-p-It-automatically-chases-good-threads-and-the-cutter-repairs-damaged-threads-p-p-The-thread-restorer-is-suitable-for-use-with-metric-threads-of-all-sizes-from-M4-to-M45-Draper-Expert-03333-Adjustable-Thread-Restorer-HSS-Steel-Blades