Ryobi guide bushing adapter

This adapter allows You to use  standard Porter cable style 1 3/16 diameter  guide bushings in a Ryobi model 163g router. these are priced at 10.00 each plus 5.00 shipping to US addresses.  Economical guide bushings  can be purchased from       Lee Valley tools.       http://www.leevalley.com/us/home/Search.aspx?action=n