1、ALUMINIUM ALLOY: The woodworking ruler is made of aluminum alloy, with CNC processing, rustproof, corrosion resistant, oxidation resistant, which is lightweight and practical. 2、NOTCH DESIGN: The ruler has a fine notch at the end, with stop loss point set. Place the pencil in the notch to obtain the mark, and the stop block is fixed with wing screws and locked onto the ruler. 3、CLEAR SCALES: This woodworking ruler has metric and imperial scales on both sides, with scales on all four edges, increasing every 1/16 or 1 millimeter for clarity and accuracy. 4、VERTICAL MEASURING: Slide the stopper down from the end and insert it into the cut blade to take vertical measurements, with 1/4, 1/2, and 3/4 depth measurement units marked on the side. 5、SLIDING AND LOCKING: The adjustable sliding mechanism can be well locked, allowing you to make simple measurements on the surface. Two thumb screws are fixed and will not loosen during use. 6、APPLICABLE SCENES: This slide stop marking ruler is lightweight and compact, can be used as a good measuring tool for engineers, carpenters, or constructors, can be used in workshops, home decoration, etc.