Rockler Ellipse Router Circle Cutting Jig – Easy to Use Circle Router Jig to Make Picture Frames, Mirrors - Plunge Router Jig Includes Jig Arm, Two Dovetail Keys, and More

Designed for use with just about any plunge router, the Rockler Ellipse/Circle Router Jig lets you cut circles and ellipse shapes over a wide range of dimensions and proportions. Set up takes only a couple of minutes and is virtually math-free. Using the jig is just as easy. As you move the router through the cut, the jigs sliding dovetail mechanism keeps the router precisely on the cut line. Maximum length for major axis is 52.Maximum difference between minor and major axes is 8.Includes jig arm, jig base, two dovetail keys, and two locking pivots.Single pivot can be locked to make circles up to 52 diameter.Pre-drilled for Porter-Cable 690/890 routers or routers with 6 base footprints.Made from 1/4 thick phenolic for durability.