1. Selected material: Even if we take our time, damage is not easy to endure. Heavyduty aluminum is used to make the insert plate for the router table, ensuring it can be used for many years without deformation. It is strong, wearresistant, and resistant to falls. 2. performance: The router insert plate kit includes 4 different cutter insert rings and screws, meeting various requirements and tasks. This enhances the efficiency and convenience of the electric drill's operation, improving overall work productivity. 3. fit: The aluminum milling plate insert is designed for your convenience, available in inch and cm sizes. It features two different red caps to accommodate different drill sizes, making it ideal for trimming routers. 4. Allpurpose: The kit includes 4 cutter insert rings, an aluminum alloy router table insert, and 15 screws. Whether you're a woodworker or a DIY enthusiast, this router table mounting plate will be a assistant for your woodworking projects.