With the Bosch fsn ra 32 guide rail stop, you build custom cabinetry and furniture with pinpoint accuracy. Used in combination with the Bosch fsn ofa router adapter and an fsn ra 32 hole-pattern guide rail, it indexes securely into the standard 32 mm raster holes. This lets you rout or drill consistent rows for shelf pins and hardware fittings without manual measuring or marking errors. The stable locking mechanism keeps your plunge router precisely positioned at every step, delivering repeatable, clean results on every woodworking project.