Festool 493487 Domino Trim Stop is designed to enable precise and repeatable mortise placement in the ends of narrow workpieces, such as rails or spindles. It is i for materials ranging from 7/8 inch to 2-3/4 inch (22 mm to 70 mm) in width. The sides of the trim stop adjust independently, allowing for both centered and off-center mortising to suit your specific project needs. This accessory attaches quickly and easily to the Festool DOMINO Joiner without requiring any tools, making setup fast and hassle-. With the Festool 493487 Domino Trim Stop, you can hold narrow workpieces securely in place to achieve consistent and accurate mortise placement every time. Model Number: 493487