[7 -inch ruler] The aluminum alloy triangle is a 7 inch triangle board with the size of 18.5 x 18.5 x 26 cm. You can get a lightweight and flexible ruler. [High Quality Measuring Ruler] Made of high quality aluminum alloy with 7 inch triangle ruler, matte black on the surface to prevent reflection . It is corrosion resistant, durable and not easy to break. Without a sharp edge, it won't hurt you. The triangular ruler is corrosion resistant and not easy to be broken. [Clear and accurate scale] public system is clear, readable double scale, and the number of meters of meters of measurement is convenient. The surface of the oblique triangle is processed with special craftsmanship, and the craftsmanship is exquisite. Thick [high precision] edges can be used directly, sawing can be placed obliquely and carved angle ladders can be used to cut cross sections or angles. Therefore, you can quickly and accurately mark the cutting line on the longitudinal beam. [Widely Used] Suitable for all buildings and decoration projects, including hobbyists, builders, manufacturers and the artists. For example, for home decorative, crafts, interior decoration, etc.