Function: This exclusive track saw track connector kit conveniently helps you to align your saws, while connecting one guide rail to another guide rail Premium quality: Made from professional grade extruded aluminum for high performance use, long lasting durability and dependable rust resistance for all of your track saw applications and woodworking projects Compatibility: The 55" GUIDE rails is compatible with Makita plunge saw and Festool track saws Plus you can easily customize length using the POWERTEC Saw Guide Rail Connector kit, or fits Makita connector or Festool Connector for longer cuts. Additionally, this handy track saw tool can be used with the guide rail adapters and other rail guide devices to extend its compatibility to a wider range of machines, such as routers