FSN WAN System Accessory (Angle Stop). The FSN WAN Professional angle stop for guide rails securely fixes them to the workpiece and allows for quick and precise angle cuts. It can be intuitively adjusted and operated, and features a degree scale for fast positioning. The high-quality angle stop ensures accurate results and connects perfectly with the guide rail using the FSN VEL connector. It is suitable for precise guided angle cuts with Bosch FSN guide rails. This tool is compatible with Bosch guide rail systems.