1. High Quality : Made of high quality aluminum , it has good anti-rust properties and maximizes the service life. 2. A convenient center hole bushing is used to arrange the planer so that it is centered in the drill bit. 3. Meticulous workmanship: The meticulous design, perfect in workmanship, durable and long service life. 4. Scientific design, comfortable and practical. It is easy to use and does a good job. 5. Easy to install: The product is easy to install and can be installed in a few minutes. Colour:black :Aluminum Package Contents: 1 x Router table insert board 4 x Router plug into the ring 1 set x Fixed screw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.