Milescraft 1219 Circle Guide Kit- Router Circle Cutter Jig For Cutting/ Routing Small And Large Circles From 1.5in. Up To 52in. Diameter-Includes Bonus Offset Base For Edging Projects , Black - - Amazon.com
Rockler Router Guide Bushing Kit (11 Pieces) - Bush Router Guide Works w/ Template, Pattern, or Jig - Router Template Fits any base w/ a 1-1/4" Diameter Center Hole - Guide Set