General description This 30cm Triangle Protractor is a versatile triangular ruler designed for professional woodworking and construction projects. It features a matte black finish that prevents glare and is corrosion-resistant, ensuring durability and longevity. The ruler is crafted from high-quality aluminum alloy, providing high hardness and strong toughness, making it resistant to rust and breakage. With no sharp edges, it is safe to handle. Technical specifications Length: 30cm Material: High-quality aluminum alloy Finish: Matte black Usage This carpenter square serves multiple functions, including: Protractor Miter Line scribe saw guide Framing square Ruler It is ideal for all construction and remodeling projects, allowing for precise measurements and cuts. Other information This triangle ruler features a thicker edge design, enabling users to mark cutting lines accurately. It can be used directly with a saw against the square for crosscuts or angled cuts, utilizing the etched protractor scale for quick and precise markings.