Infinity Tools Universal Baseplates for Full-Sized Routers - YouTube
Taytools 300005 Universal Router Base Plate, 6-1/2 Inch Diameter, 5/16 Inch Thick, Fits most 1-2 HP Porter Cable, Ryobi, Bosch, Makita, Sears, Fein, Milwaukee, Freud, Hitachi, Elu and Dewalt Routers - Amazon.com
9-1/4" x 11-3/4" Aluminum Router Table Insert with Two Reducer Rings at Grizzly.com
10-Pc. Brass Template Guide Kit
Universal Base Plates For Full-Size Routers - Infinity Tools