Festool 494369 Kapex Crown Stop with Base Extension expands the versatility of the KAPEX sliding compound miter saw by supporting nested workpieces at any angle and providing enhanced material support to either side of the saw. This innovative accessory features integrated T-slots that enable additional clamping capability, allowing you to use job-specific jigs with Festool FS clamps for greater precision and flexibility. The package includes one base extension and one crown stop, designed to secure crown molding in the nested position for safer and more accurate cutting. Crown stops slide easily and lock securely with T-nut construction, enabling quick transitions between setups. Base extensions attach swiftly via a V-groove channel on each side, minimizing setup time and maximizing efficiency on the job. Model Number: 494369