●This kit creates a female thread inside a soft metal to protect the threads from wear and tear ●This thread repair kit is made of high quality stainless steel and has excellent abrasion resistance ●High hardness. Highly abrasion resistant. High heat resistance ●Made from high speed steel for strength and longevity, it is ideal for repairing damaged threads in steel, cast, iron and aluminum ●Set Includes: Pre hole drill, tap, insert tool, folding tool, insert coil Specifications: M10 only; 0.05 inch (1.25 mm); Accessories: Dedicated case *Depending on your monitor settings, there may be slight differences in the appearance of the product