SpeTool S06001 helps you set up fast, square rail cuts with a solid full-contact locking design. Built for stable 90° guide rail alignment, it improves repeatability for plywood, cabinet panels, trim work, and jobsite sheet breakdown. Compatible with Festool FS-series guide rails, Makita, Milwaukee, WEN, Evolution ST-series, and selected POWERTEC guide rails. Not compatible with Festool FSK cross-cut rails.