Amazon.com: Track Saw Guide Rail Adapter for Makita/Festool Guide Compatible with Router for Dewalt 18V/20V Max DCW600B DWP611 : Tools & Home Improvement
Skil Plunge Router Adapter for Makita & Festool Track Saw Rails - RT1322-00 | eBay
Tool Tip: Perfect routing on rails (thanks to this adapter) - YouTube
Milwaukee Router Adapter for Festool & Makita Rails - ToolCurve