System accessory FSN 2100. The 2,100 mm FSN 2100 Professional guide rail features unique technology that enables precise cuts. The high-quality guide rail allows for accurate guidance and can be used with all compatible power tools. The optional connecting element FSN VEL for extension enables a quick and secure connection between two guide rails, ensuring optimal stability. It includes easily replaceable, non-slip rubber strips as well as a splinter guard, providing clean cut edges through perfect tool guidance 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 2100 Professional guide rail also includes a replacement T-cap made of plastic.