Jasper Tools Model 575B Base Plate Adapter for plunge routers.

Model 500 Base Plate Adapter for Plunge Routers Jasper Tools New Sealed

6-1/2" Universal Router Base Plate with Centering Pin & Cone. Predrilled Hole...

Jasper Model 575B Router Base Plate Adapter

Router Universal Base Plate, Router Base Plate Acrylic with Centering Pin Scr...

Universal Router Base Plate, Base Plate Acrylic with Centering Pin Screws, Ac...