General description The Heavy Duty Aluminum Router Insert is designed for durability and efficiency in woodworking. Made from sturdy aluminum, this router table insert is resistant to rust and deformation, ensuring long-lasting use. It features a non-slip design with a circular hole in the center to securely hold items in place, enhancing work productivity. Technical specifications Material: Sturdy aluminum Includes: 4 different router insert rings Includes: 15 screws Compatibility and accessories Compatible with various sizes of drill bits, thanks to two different red caps Includes 4 metal router insert rings for different applications Usage Ideal for trimming routers Useful for both carpenters and DIY enthusiasts