• Thread repair kits, tools, and inserts are used to restore worn or broken threads. • They can be used on any threaded tool, from a screw to a machine bed or an engine manifold, that has to be fixed. • Thread repair kit contents can vary depending on the style of repair you are looking for, but most at least contain taps, jaws, drills, mandrels, thread inserts, and tang break-off tools. • Contents: • Main Tools: • Material: Steel with heat treatment, electro-coated) • Screw Coil: • Material: SUS 304 Stainless Steel • Tap: • Material: HSS (with heat treatment) • Drill: • Material: HSS • Tang Puncher: • Material: Carbon Steel • Made In Taiwan