Xiaomi screwdriver kit uses a computer numerical control process for high accuracy (Tolerance: 0.01mm), fitting well to tiny screws of your electronics. It includes Philips, Flathead, Torx, Security Torx, Pentalobe, Triangle, Hexagons, Tri point, and Spanner bits, meeting ANSI Standard. The kit comes with an Aluminum Alloy Storage Box that is easy to carry and features a smooth arc edge for a comfortable grip. The surface has a sandblasting anodizing treatment for sweat and corrosion resistance. All magnetic bits fit neatly inside the compact aluminum alloy storage box, making it perfect for travel. The magnetic screwdriver bits bring convenience and a wonderful user experience, making it much easier to catch and hold screws without slipping. Each edge can be accurately locked into screws, preventing damage to the screw and screwdriver head. The Mi Precision Screwdriver kit is light and portable with all kinds of bits, satisfying various daily precision work needs. The kit includes an Aluminum Box, Aluminum handle, and weighs 300g. It comes with 24 precision heads and magnetic absorption head collection.