WALFRONT 300mm x 235mm x 9.5mm DIY Router Table Insert Plate and Insert ring Woodworking, DIY Woodworking, DIY Router Table Insert Plate and Insert ring - Walmart.com
Router Table Insert Set [2610915125] for Bosch Power Tools | eReplacement Parts
Kreg Precision Router Table Insert Plate with Level-Loc Rings (Predrilled Triton) PRS4034 - The Home Depot
Router Table Insert Ring Set, 3" OD, Fits Many Sears Craftsman & Others Set of 3 | eBay