Features: This set is crafted from steel materials, ensuring the toughness and durability of each bit. The double surfaces treatments process ensures high-precisions engagement between the bit and the screw, effectively preventing screw damage and extending its service life. The unique rotating caps design allows users to operate with one hand, coupled with aluminum handle, making it more convenient to continuously tighten or remove screws. Whether it is home maintenance or professional use, it can improve work efficiency. 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 safety. The handle head is equipped with magnetic forced, which can easily attach small screws and avoid loss. In addition, the magazine inner box design allows you to easily store and open, making it convenient to carry and store, ensuring that you can quickly find the tool you need . Magnetic storage box: Inverted without scattering, the card slot bit is equipped with strong magnetism, which secure stores the bit without scattering. Specifications: Component:Steel Size:Approx.167mm/6.57''x80mm/3.15''x22mm/0.87'' Package Includes: 50 in 1 Screwdriver Set note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.