1. MaterialIt is not easily damaged, even with prolonged use. The router table insert plate is made of load bearing aluminum, which can be used for many years without deformation. It is durable, wear resistant, and drop resistant. 2. Work EfficiencyThe router insert plate kit allows us to cut more efficiently. The kit comes with 4 different router insert rings and screws, meeting various requirements and tasks, making operation more efficient and convenient. 3. Wide CompatibilityThe board is measured in inches and centimeters, with the bit positioned at 0. This aluminum router mounting plate fits most trim routers. Our aluminum router insert plate features two different red caps to accommodate different drill bit sizes. 4. MultifunctionalWhether you are a woodworker or a DIY enthusiast, the router table mounting plate can be a assistant for your woodworking projects. It includes 4 router insert rings, an aluminum router table insert, and 15 provided screws.