The Domino Trim Stop enables precise and repeatable mortise placement in ends of narrow workpieces, such as rails or spindles. Designed for material between 7/8 inch and 2-3/4 inch (22 mm and 70 mm) in width. Sides adjust independently for centered or off-center mortising. Attaches quickly and easily to the Festool Domino Joiner without the need for tools.