Bosch 43.3 Inch Track-Saw Track. Family Owned & Operated Since 1948. This 43.3 In. (1100mm) track-saw track is part of the Bosch track-guidance system and works with the Bosch GKT13-225 Track Saw. The FSN1100 track is precisely straight and manufactured with exacting tolerances. It includes an anti-splinter guard for clean cuts and two rubberized traction …