The router table lift is actually a mounting plate which is attached by a carriage that holds the wood router. It is a great accessory for a serious woodworker. The uses of a router lift are: 1. The router table lift is used to adjust the depth or height from the top of the router table ( no need to do it from the bottom ). 2. Another use of router table lift is that you can now easily change the router bit without removing the router from the router table. 3. The 3rd use of the router lift is that you can make accurate micro-adjustments up to 0.001 inches. If you are looking for the best router table lift then here is the recommended one: [amazon box="B004U7B6IE" template="horizontal"]