System accessory FSN 1600. The 1,600 mm FSN 1600 Professional guide rail offers a unique technology that enables precise cuts. The high-quality guide rail allows for accurate guidance and is perfectly compatible with all associated power tools. For optimal stability, a firm connection between two guide rails can be quickly established using the FSN VEL connector. Its easily replaceable, non-slip rubber strips and the splinter guard ensure clean cut edges and absolute control during work. This guide rail is suitable for use with plunge and circular saws for perfect cutting results. The device is compatible with all Bosch Professional GKS G circular saw models and GKT Professional plunge saws, as well as certain GST Professional jigsaws and GOF Professional routers with an adapter. The delivery of the FSN 1600 Professional guide rail also includes a replacement T-cap made of plastic.