Festool 497303 Carvex Jigsaw Base Adapter is designed to enhance the versatility of your CARVEX jigsaw by allowing it to be adapted to a Festool guide rail, enabling extremely straight cuts with ease. This base adapter attaches to the jigsaw tool-, making it quick and simple to use. When combined with the CARVEX jigsaw, it can be connected to a guide rail for precise cuts in either direction. Additionally, it works seamlessly with the optional circle cutter (497304) to create smooth arcs and circles, expanding your cutting capabilities. This adapter is compatible with all Festool CARVEX jigsaws and is also available as a set that includes both the Guide Rail Base Adapter and Circle Cutter (497 443). Model Number: 497303