SawStop RT-LFT 4-Post Router Lift with Lock | Rockler Woodworking and Hardware
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
Amazon.com: O'SKOOL Router Lift Systems for 3-1/2" Diameter Motors, 9-1/4'' x 11-3/4'' Plate 5-Piece Insert Ring Kit : Everything Else