Rockler Woodworking Eclipse / Circle Jig For Router: Woodworkers who tend toward smaller projects will love our Rockler Compact router circle cutting jig. Thiscircle jig kit features all of the easy smooth-sliding functionality of its bigger brother (#27712, sold separately). Our router jigs and templates are designed for use with just about any router plunge. --- Router Jig for Cutting Circles Features: Made from durable, smooth-sliding phenolic - Our circle cutting jig is compatible with the following compact plunge routers, all sold separately: DeWalt DWP611PK (#41770), Porter-Cable 450PK (#41462) and 1hp Bosch Colt (#51351) with plunge base (#45145). At this time, the router circle jig is NOT pre drilled to fit the 1.25hp Bosch Colt (#57485). - Setup is easy following the setup diagrams printed directly on the jig - Sliding dovetail ways ensure accuracy and ease of use. --- Router Accessory Jig Tech Specifications: Minimum Circle Diameter: 6'' - Maximum Circle Diameter: 24'' - Minimum Ellipse Dimensions: 6'' x 11'' - Maximum Ellipse Dimensions: 19'' x 24'' - Recommended Maximum Material Thickness: 1/2'' - Not Compatible with: 1.25hp Bosch Colt Router - Material: Phenolic. --- About Us: The history of Rockler Woodworking and Hardware goes back to 1954 when Norton Rockler started the Minnesota Woodworkers Supply Company in north Minneapolis. It was a small mail-order business with a big aspiration – to become woodworkers' go-to resource for everything they need to complete their projects.