Festool 769942 FSK 420 Guide Rail delivers precise and efficient straight cross-cuts when used with HK and HKC Carpentry Saws. Designed to enhance your woodworking accuracy, this guide rail features integrated adjustable angle stops that allow for versatile cutting angles. Its self-retraction mechanism, powered by an integrated rubber spring, automatically returns the saw to its starting position, making your workflow smoother and faster. This guide rail is specifically engineered to work exclusively with HK and HKC Carpentry Saws, ensuring seamless compatibility and optimal performance. Model Number: 769942