Connect your MR23EVS router to your track saw guide rail Can make straight accurate cuts and dados Can use the original screws from the factory sub base, no extra hardware needed Designed & Made by ToolCurve in Medina, Ohio The ToolCurve guide rail router plate allows you to connect your trim router to your track saw guide rail for straight accurate dados and cuts. The plate has a quick drop design allowing you to easily insert and remove it in to the guide rail.