Snap-Lock Zero-Clearance Insert Ring | Rockler Woodworking and Hardware
Kreg Precision Router Table Insert Plate with Level-Loc Rings (Predrilled for Bosch and Portor Cable) PRS4036 - The Home Depot
Bosch 2610915125 Router Table Insert Ring Set - 2 Pack - - Amazon.com
Router Table Insert Ring Set 97mm Diameter Fits Many Sears Craftsman Ryobi Bosch (PLEASE MEASURE YOUR TABLE PRIOR TO ORDERING): Amazon.com: Tools & Home Improvement
8-PC TWIST LOCK RING SET
1 1/2" Phenolic Router Table Insert Ring - SawStop Part Store
Router Table Insert Set 2610915125 - OEM Bosch - eReplacementParts.com