Router Lift with 12" x 9" Table Insert at Grizzly.com
Router Lift for 51mm Diameter Motors Woodworking Router Table Insert Plate xp | eBay
Woodpeckers Precision Woodworking Tools PRL-V2-420 Precision Router Lift for PC 7518 Router with Standard 9-1/4-Inch x 11-3/4-Inch Plate - Router Tables - Amazon.com