The Parallel Guide System greatly enhances the capability of the Festool Guide Rail System by providing a faster, easier, smarter way to create consistent rip cuts. The Parallel Guide Extensions connect to the Parallel Guide (495717), enabling narrow rip cuts from 1mm to 195mm (1/16 in to 7-11/16 in). The Parallel Guide Extensions must be used in conjunction with the Parallel Guide. The best value is purchasing these two components as a set (P00108). Parallel Guide and Guide Rail sold separately. Greatly enhances the Guide Rail System by providing a faster, easier, smarter way to make consistent rip cuts Make narrow repeititive cuts on the near, or short side of the material Easy to read scale for cuts up to 195mm (7 11/16 in) Easily calibrated against the guide rail splinterguard for precise, splinterfree and consistent ripping Only for use with the FS-PA