1. Efficient Adhesive Assistance: Specifically designed to enhance adhesive application efficiency, seamlessly compatible with various frame glues. 2. Multiple Auxiliary Wheel Sizes: Equipped with 3mm, 4mm, and 5mm auxiliary wheels to meet various needs and ensure flexible operation. 3. Original Design: Innovative original design, ergonomic for a smooth and comfortable user experience. 4. Portable: Lightweight design for easy carrying and storage, suitable for use in various environments. 5. User-Friendly Design: Simple operation method, suitable for users of all skill levels, easy for even beginners to master.