For OF 900, OF 1000, OF 1010, OF 1400, OF 2000, OF 2200. For safely guiding the Festool router along narrow workpiece edges. Side stops adjustable on both sides by 60 mm with long guiding surfaces. High-quality milling device made of robust and solid acrylic glass. Used, for example, for safely routing automatic door seals. The movable arms ensure that the router is securely guided along narrow edges. Guiding aid for all Festool routers, for milling on narrow workpieces.