This unit was not made by RYOBI. Contact Wolfcraft® @ 888-574-5757, ext. 250 for repair parts. www.wolfcraft.com
Ryobi Router R1801M1 User Guide : Free Download, Borrow, and Streaming : Internet Archive
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