1. Durable material: Heavyduty metal is used to make the router table insert plate, ensuring longlasting use without rust or deformation. It is strong, wearresistant, and impactresistant, remaining undamaged even after extended periods. 2. Improve work efficiency: The cutter insert plate kit includes 4 different cutter insert rings and screws, catering to various requirements and tasks. This makes it more convenient to use, enhancing work efficiency while saving time and effort. 3. Suitable fit: The bit is set at 0, and the board features measurements in both inches and centimeters. This metal router mounting plate is compatible with most routers. The two different red caps on our aluminum router plate insert are designed to accommodate different drill diameters. 4. Allpurpose: This router table mounting plate serves as an assistant for projects. It includes 4 router insert rings, aluminum router table inserts, and 15 screws, suitable for both professional woodworkers and DIY enthusiasts.