The Alumicolor 3000 Series Hollow Aluminum Metric Triangular Scale is a 30-centimeter professional-quality scale. It is made of color-anodized aluminum material with a hollow core. This provides durability and, at the same time, makes this drawing tool lightweight and easy to use. It features an ultra-smooth and scratch-resistant surface.
This aluminum triangular scale uses metric unit. It comes with printed graduations in 1:100, 1:200, 1:250, 1:300, 1:400, and 1:500 scales. The Alumicolor 3000 Series Hollow Aluminum Metric Triangular Scale has silver color and includes a hard plastic case.