General description 12pcs Magnetic Screwdriver Bit Set includes 12 different sizes of impact socket bits, ranging from 6mm to 19mm. These bits are designed for use with electric screwdrivers and socket wrenches, making them versatile for various applications. Technical specifications Material: Chrome vanadium alloy steel Length of bits: 80mm Sizes included: 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 17mm, 19mm Usage Suitable for DIY projects, furniture assembly, car repair, and professional machinery repair. Compatible with air screwdrivers, electric screwdrivers, pneumatic drills, electric drills, drill presses, and hand screwdrivers. Other information The hex socket screw socket wrench features strong magnetism for better tightening of screws or nuts. Hexagonal recessed design facilitates easier insertion of nuts. Universal 6.35mm plug allows for a wide range of uses. Each hex socket is equipped with a magnet to assist in quick assembly and disassembly.