These are spare or replacement bushings used in the following Perko Rowlock Sockets:
• Fig. 1185 - Top Mount Rowlock Socket
• Fig. 1186 - Edge Mount Rowlock Socket
• Fig. 1187 - Side Mount Rowlock Socket
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm.
www.P65Warnings.ca.gov