Features: Precise Performances Upgrade : This middle mouse button PCB delivers high precisions and stable for smooth operating, ideal for gamers and designers requiring prolonged mouse use without interruption from faulty clicks. Enhanced Durability : Replace worn out components to extend your mouse life, perfect for frequent users seeking to avoid hardware malfunctions and maintain seamless workflow. Professional Installation Recommended : Designed for G403/703 mouse, we advise expert installation to prevent damage, ensuring safety and optimal functionality. Specifically engineered for G403/703 mouse, durability for users demanding premium accessories. Exclusive Model Compatibility : Perfectly tailored for G403/703 mouse, this middle button PCB offering a flawlessly fit and effortless replacement solution for compatible mouse owners. Specifications: Component: PCB Size: Suitable for G403/703 mouse Technical: high precisions and stable, ensuring long life and better working Usage: middle-button button pad replacement for G403/703 mouse Note: It is recommended to have disassembly and replacement done by professional to avoid losses. Package Includes: 1PC Middle mouse button pad note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.