1. Abrasionresistant material: Robust steel for improved durability and precise application. These screw extractors are specially designed for challenging removal tasks and withstand even intensive use. With their hard material and precise construction, they provide a reliable solution for handling stuck or damaged screws. Ideal for frequent and demanding use. 2. Wide compatibility: Designed for versatile use, this tool enables efficient processing of rounded screws and broken bolts. It is equally suitable for home use and professional environments and works with screws in the range of 3 to 12 mm in diameter. 3. Doublehead collaboration: By combining finetooth extraction and precise drill tip, a secure grip is ensured, significantly increasing the success rate of screw removal. The dual functionality provides additional efficiency and stability for demanding tasks with screw extractors. 4. design for maximum flexibility: This screw extractor set features a compact and lightweight portable design that is easy to transport and store. It unrestricted availability when needed without taking up valuable space. Ideal for DIYers and craftsmen who value and efficiency. The set can be easily stowed away and is always at hand to keep your projects running smoothly. The thoughtful construction.