material This screwdrivers bit set adopts steel material, offering longlasting strength and durability. It is suitable for heavyduty impact drivers and wrench accessories. Practical storage box The set comes with a storage box to keep the bits organized. The box shows the size of each bit, and the bits are engraved with clear sizes for quick identification, helping you save time during use and storage. Wide application The drill bit set includes spline and many other bits. It is designed to service many electronics as well as home appliances and auto repairs. Family essential tools This is a professional screwdrivers bit set to meet all your daily needs. It is suitable for electric screwdrivers, standard screwdrivers, hand drills, and pneumatic tools. Use scenarios Electronics and device maintenance: Ideal for servicing electronics that require spline and related bit types. Home appliance and auto repairs: Suitable for common screw tasks encountered when fixing home appliances or automotive components. General DIY and assembly: Useful for daily home repairs, furniture assembly, and routine screwing tasks with various power tools.