This set is crafted from steel materials, ensuring the toughness and durability of each bit The double surfaces process ensures high-precisions engagement between the bits and the screw, effectively screw damage and extending its service life The unique rotating caps design allows users to operate with single hand, coupled with aluminum handle, making it more to continuously tighten or remove screws Whether home maintenance or professional use, can improve work efficiency storage box: Inverted without scattering, the card slot bit is equipped with strong magnetism, which secure stores the bits without scattering The handle adopts antislip design, which conforms to the principle of ergonomics, making the hand more comfortable, and even if used for long time, it will not feel tired Provide a stable grip and increase operational The handle head is equipped with forced, which can easily attach small screws and avoid loss In addition, the magazine inner box designs allows you to easily store and open, making it to carry and store, ensuring that you can quickly find the tool you need, Manufacturer: GinMimi