Aluminum Alloy Construction: Crafted from anodized aluminum alloy through CNC machining, this woodworking ruler offers high wear resistance and rust resistance. Etched scales and a red matte surface ensure clear and easy reading. Adjustable Sliding Stop Block: The woodworking ruler includes an adjustable sliding stop block for quickly measuring edge distances, marking, cutting, and repeat measurements in cabinet and furniture construction. Slide the block into the middle slot of the ruler to use it as a bracket that keeps the ruler completely vertical. Versatile Measurement Options: Side markings on the scribing ruler indicate 1/4, 1/2, and 3/4 measurement units for vertical measurements, making it ideal for accurately setting router bits and table saw blade heights. Secure Pencil Grip: The ruler features a notched end designed to securely hold the pencil tip in place, helping maintain precise control when marking parallel lines in woodworking projects. Portable and Versatile: This scribing measuring tool is portable and can be hung on a tool wall, suitable for both professionals and DIY enthusiasts in woodworking.