Features: Efficient Electric Screwdrivere: The set includes a high execution electric driver with strong moment and speed, reducing manual effort and fatigue. It quick disassembly and installation. Multiple Driver Division: Fluorescent matter arrives with various measurements and designs of driver divisions, consistent different varieties of glasses screws, ensuring flexibility for most glasses trademarks. Ergonomic Handle: Marine horse features a ergonomic handle for comfortable grip and flexible action, with a against slip plan for strengthened control. Transportable Storage Case: All tools is organized in a transportable case, making it simple store and carry, suitable for home, office, and on. Permanent Materials: Produced from excellent rustless and green polystyrene, equipment is immune to wear and oxidation, ensuring extended reliability and durability. Specifications: Substance: Steel. Size: 210x72x25mm. Weigheight: 300g. Operating potentiall: DC3.7V. Charging potentiall: 5V/1A. Battery capacity: 260mAh. Charging cycle: 25min. Size: 4mm. Applicable circumstance: Individual Maintenance Home users to maintain and repair glasses at any moment improve the convenience of life. Used in professional conditions such as glasses shops, repair centers. Package Includes: Batch head x20, screwdriver handle, magnetizer, data cable. note: Please donot mind, allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual coloring of the item.