Festool 489790 FS-Rapid Clamp & Fixed Jaws is designed for rapid positioning and clamping of Festool FS Guide Rails to all types of sheet good materials. This clamp includes both a fixed jaw and a clamping jaw, making it particularly useful for fast and reliable clamping of guide rails. It mounts to guide rails using the continuous bottom t-slot, allowing limitless adjustability to suit your specific needs. The one-handed trigger action enables quick setup on the material edge, providing convenience and efficiency during your projects. Compatible with all Festool guide rails, this clamp ensures a secure hold and precise work every time. Model Number: 489790