1. Reliable materials: The insert plate of the router table is made of durable aluminum material, ensuring longlasting use without deformation. It is sturdy, wearresistant, and impactresistant, remaining undamaged even after prolonged use. 2. Save time and energy: The router insert plate kit includes 4 different router insert rings and screws to meet various requirements, making work more efficient and convenient. It enhances productivity while saving time and effort. 3. Universal fit: Our aluminum router plate insert features two different red caps for different drill sizes. The deck is marked in both inches and centimeters, with the bits positioned at 0. This aluminum router mounting plate is compatible with most trim routers. 4. Allpurpose: This router table mounting plate is an tool for projects whether you're a professional woodworker or a DIY enthusiast. It includes 4 router insert rings, aluminum router table inserts, and 15 screws.