General International Excalibur Router Lift for Router Tables 40-125 - The Home Depot
Precision Router Lift - FineWoodworking
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