Features: High strength material: Each screwdriver drill bit is crafted from superhard metal material, excellent wear resistance and impact resistance, ensuring long-term use in high-strength working environments without deformation or damage. Antislip design: The surfaces of the screwdriver drill bit have been finely treated to have excellent antislip performances, enhancing the grips with screws, effectively reducing sliding , and improving work efficiency and safety. Strong Magnetic Adsorption: Equipped with a strong magnetic design, can firmly adheres to screws, facilitating quick positioning and installation, avoiding the problem of screws falling off, making operation faster and more convenient. Diversified selection: This set includes 9 different specifications of screwdriver drill bit, suitable for various type of screws and drills, meeting the needs of home repairs, DIY projects, and professional work. Easy to store and carry: Small size and light weight, easy to carry, very suitable for craftsmen, maintenance personnel, and home users to use at any time. Specifications: Component: Carbon steel Specifications: 25mm, 25-150mm, 65mm, 70mm, 75mm, 90mm, 100mm, 120mm, 150mm Quantity:9Pcs/Set Package Includes: 1Set Screwdriver Drill Bit note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.