A versatile and indispensable tool set! Crafted from high-quality CRV steel, which has a hardness of up to 54HRC, renowned for its excellent durability and strength. The set includes up to 120 precision-designed screwdriver bits, comprising 117 CRV bits and 3 S2 bits, ensuring a reliable and efficient repair experience every time. Particularly, each bit features a slot labeled with its model size for quick identification and selection in the case. The handle is equipped with strong magnetism, which is closely fastened with the hexagonal head, and can absorb several small screws without falling. Its ergonomic handle is designed for comfort and a secure grip, and a 360-degree swivel cap allows for rapid twisting. Whether you are a professional technician or a DIY enthusiast, this 130-in-1 comprehensive screwdriver set is an essential addition to your toolkit.