Compatibility Design: This 22piece set includes extractors of different size to fit wide ranges of screw types, making it ideal for electronics, machinery, and household repairs with versatile compatibility Ergonomic and Safe Handling: Designed with user comfort in mind to reduce hand fatigue during prolonged use, providing a secure grip and effortless operate for extended repair Compact Storage Solution: Comes with a portable storage case to keep all extractors organized and easily accessible, perfect for on travel repairs and tool loss Quick and Easy Operate: Features a simple process to remove damaged screws efficiently, not requiring professional expertise, perfect for enthusiasts and technicians alike Durability Steel Construction: Made from premium high speed steel for hardness and wear resistance, ensuring long lasting when damaged screws in various applications, Manufacturer: ljhnba