- This set features 12 security star screwdriver bits in various sizes, ensuring you have the right tool for any job. - Crafted from high-quality chrome vanadium steel, these bits deliver exceptional hardness and durability, making them resistant to impact and wear over time. - Designed with a 1/4 inch hex shank, these bits are compatible with electric screwdrivers, hand screwdrivers, electric drills, and pneumatic drills, offering versatility for different applications. - Each bit is equipped with a magnetic tip, allowing for easy handling of hardware and reducing the risk of dropping screws. - Ideal for professionals in maintenance fields such as computer repair, camera servicing, eyeglass adjustments, and instrument calibration, these screwdriver bits meet the demands of precision work. - Whether you're tightening screws on delicate electronics or performing routine maintenance on various devices, this set provides the reliability and performance needed for any task.