1Aluminium Alloy Material: The router table insert plate for woodworking benches is made of aluminum alloy, which is durable, not easy to rust, and can be used for many years. 2Applicable Moddels: This woodworking table insert mounting plate is applicable for 690 890, for 618 3, for bosch1617 series machines. 3For High Accuracy Cutting: The router table insert plate is suitable for high accuracy cutting and woodworking router. 4Easy to Install: The router table insert plate has multiple mounting screw holes. The screw holes are finely processed. During installation, you only need to drill holes at the corresponding screw installation location, and install the screws between the board and the workbench. 5Labor Saving: Trimming machine tool is simple to operate and labor saving, making woodworking work perfect. Practical and necessary cutting tools for workers.