ACCURACY: A professionally manufactured triangular measuring ruler with precision engineering, metric measurement, clear and accurate scale markings, and durable construction for reliable, easy-to-read measurements. USE: Ergonomically designed with smooth edges for comfortable and safe handling. Ideal for marking straight and angled cutting lines by guiding a saw along the thick edge for cross-cutting or beveling. MULTI-PURPOSE: Versatile tool that functions as a measuring ruler, protractor, straight edge, scriber, saw guide, and layout tool for various measuring and marking tasks. FLEXIBLE: Lightweight and compact design makes it easy to carry and store. Suitable for construction, framing, roofing, DIY projects, home building, manufacturing, and artistic applications. HIGH QUALITY: Constructed from durable aluminum alloy with high hardness and corrosion resistance. Features a black matte finish to reduce glare and prevent reflections, with rounded corners for added safety.