[High Quality] The metal carpenter's square is made of high-quality aluminum alloy, with excellent workmanship, high hardness and rust resistance; durable, moderate toughness, no deformation and greater resistance to falling. The coating is thick and uniform, flat and smooth, superior to other coating processes. Transparent Scale] 90-degree metric metal square, high-precision manufacturing, clear and precise stamping scale, high precision; can draw straight and wavy lines, precise and not easy to wear. Metric and inch sizes are available, laser marking technology, can be used very well for measuring angles, the ruler table is refined and smooth, and feels comfortable. [Horizontal Base] The aluminum alloy measuring ruler has a 90° angle and two 45° angles, a right-angle base, easy to fix, can help you measure dimensions accurately; easy to draw lines, smooth use. Conversion table on the back, common beam conversion, lightweight and durable, more convenient for your work. [Wide Range of