Guide rail systems | the guide rail system enables rapid completion of precise, straight cuts. the vel connecting piece can be used to connect rails of different lengths precisely, sturdily and quickly. the wan angle guide helps to align the guide rails precisely and at accurate angles on the workpiece.. Bosch professional guide rails fsn ofa 32?800?guide rail system package with breadboard adapter, 2?klemmz sweeping, accessory adapter, 1600?a001t8 by bosch professional by bosch professional $504.05 $ 504 05. The guide rail system enables rapid bosch professional 1600z0000a fsn wan for aligning the guide rail on the workpiece. by bosch. 2 x fsn 1600 guide rail compatible with bosch gkt & gks saws. bosch 2607001375 guide rail for circular saw. by bosch.