With 60-piece Bits: The Multi-Function Screwdriver Sets are made of Cr-V steel and have standard size, so it is easy to replace. Slot: 3 mm*2, 4 mm*3, 5 mm*3, 6 mm*3, cross slot: PH0*2, PH1*3, PH2*3, PH3*2, Torx: T7, T8, T9, T10, T15, T20, T25, T27, T30, T40, hexagon: 2 mm, 4 mm, 3 mm*2. 5 mm*2, 5,5 mm, 6 mm, square: S0*2, S1*3, S2*3, S3*2, Pozidriv: PZ0*3, PZ2x3, PZ3*2 Magnetic Bit Holder: The bit holder features an internal magnet, allowing bits to be securely mounted. Note: The magnetism does not extend to the bit tip. If you need a magnetized bit tip, please use a separate magnetizer Portable Storage Case: The 60-in-1 screwdriver set comes with a compact storage case. Simply rotate the bit holder and snap it closed to securely store all bits. Additional tools can be placed in the top compartment to prevent loss, and the case is easy to carry Ergonomic Handle: The handle is ergonomically designed and made from PP and TPR materials for a comfortable, non-slip grip. It helps you generate greater torque with less effort, reducing hand fatigue during prolonged use Widely Used: With a wide range of functions, this screwdriver set is ideal for machine maintenance, home repairs, and daily DIY tasks. Whether you are working on your car, truck, boat, or household items, this set is a reliable addition to your toolbox, Weight: 1.3668660244 pounds, Manufacturer: Hang Zhou Great Star Industrial Co.,LTD