Cut perfect circles everytime with the WoodRiver Circle Cutting Router Jig. The WoodRiver Circle Cutting Router Jig to cut circles from 2-1/2” diameter to 32-1/2” diameter with most any plunge router equipped to accept a Porter-Cable style guide bushing. Instead of bolting the router to the jig using a dedicated bolt pattern, simply install the included precision guide bushing into your router base and lower the router onto the sealed bearing of the circle jig base. Circles can be cut smoothly a