1. Longevity and reliability With a long lifespan, the Stripped Screw Extractor deals with problems of broken, stuck, and rusty screws. Its solution for common screw extraction problems is efficient and ensures performance. 2. Versatile application For use with stainless steel 8.8 12.9 bolts, the bolt extraction kit is versatile across various applications. Its adaptability makes it a valuable tool for professional and personal needs. 3. Easy to use The screw remover and extractor are designed for easy removal of damaged screws. The user friendly design ensures no issues during use, making it indispensable for a toolbox. 4. High hardness steel The screw extractor set is made of hardened steel and features high hardness, toughness, and strength. This ensures the tools withstand rigorous use and maintain effectiveness over time.