Easy to use, labor-saving and expand the use of the cutting machine. Features: Easy to use and not easy to rust. The practical center hole ring is used to align the router so that it is centered in the drill hole. Makes it easy and accurate to install any router. Easy to use and get the job done. The red color becomes brighter and the red cover protects the flap from damage, scratches and prolongs the service life. Specifications: Material: Package List: 1 * 39 Board; Milling Machine Table Insert 1 * Set Screw Pack Note: The data are all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.