General description This 150 in 1 Precision Bit Set is designed for DIY enthusiasts and professionals alike. It includes a comprehensive collection of 130 magnetic screwdriver bits made from durable chrome vanadium steel, ensuring longevity and reliability. The magnetic bits facilitate easy handling of screws, making your repair tasks more efficient. The set is thoughtfully designed to meet a variety of daily needs, featuring a non-slip handle for comfort and safety during use. Technical specifications 130 pieces of screwdriver bits Material: Chrome vanadium steel Hardness of screwdriver head: 55-60 HRC Includes 3 x 35mm special extension screws (PH000, Y000, P2) Installation The professional extension screw kit allows for deeper and longer drills, suitable for low-speed hand electric drills. It is not recommended for high-speed electric drills. Usage Ideal for repairing game consoles, glasses, computers, and other electronic devices. Other information