Makita 199140-0 Guide Rail 1 Metre Long for plunge saws, Circular Saws, Jigsaws and Routers. Replaceable splinter guard, anti-slip strips on the underside and top running strips for a smooth glide. 1 Metre Guide Rail for plunge saws, Circular Saws, Jigsaws and Routers. Replaceable splinter guard, anti-slip strips on the underside and top running strips for a smooth glide.