Diversity and Compatibility: Contains a variety of specifications and types of screwdriver bits, suitable for different equipment and repair needs. Portability: Compact design, easy to carry, suitable for use in various maintenance sites. Durability: Made of high-quality materials to ensure it is not easily damaged after long-term use. Ease of use: Some sets are equipped with a magnetic design, which makes it easy to absorb and replace screws, reducing the risk of loss and omission.