1.Comprehensive Repair Kit: This manual thread repair kit consists of wire thread inserts, a tap, a drill bit, a breaking pin, and an insertion tool. It is well-suited for fixing a variety of damaged screws and is simple to use 2.Variety of Sizes: Including various sizes of threaded inserts, this kit covers M12x1.75, M10x1.5, M8x1.25, M6x1.0, and M5x0.8 metric specifications, as well as 1/2-13, 7/16-14, 3/8-16, 5/16-18, and 1/4-20 imperial specifications. It provides ample options for different repair needs. 3.High-Quality Threaded Inserts: These inserts have a glossy finish and are from burrs, which helps to reduce uneven force and vibration on the threaded teeth. This improvement enhances the fatigue proof and extends the lifespan of the screw holes. 4.Versatile Repair Solution: This thread repair kit is ideal for use in high voltage switch equipment, microwave communications, automotive components, and air separation equipment. It convenience and practicality for various applications.