Professional Repair Tool Kit: The 57-piece screwdriver bit and extension set allows you to open and repair any electronic devices like laptops, tablets, mobile phones, iPhones, computers, MacBook Airs, and more. Includes Torx T6, T7, T8, T9, T10, T15, T20 security bits. Convenient Kits and Various Bits: Features 54 different types of bits made from Cr-V steel, which is harder than normal products, ensuring durability and long-lasting use. The bits are robust, durable, and won't break easily, allowing you to easily unscrew small screws without stripping. Extension Length and Non-Slip Handle: The electronic repair kit is equipped with an extension rod. The unique non-slip handle is made of aluminum and includes a swivel plate mounted on ball bearings to make your tasks easier. Flexible Adapter Rod and Screwdriver: This precision screwdriver set includes a flexible shaft, perfect for working on stereo systems and large electronic components where screws are not easily accessible.