The Alvin 240B Series Bamboo Engineer Triangular Scale is an ideal drawing and measuring tool. It features a bamboo core with white laminated high-impact plastic faces. It has color-coded furrows to easily identify the scales. To ensure accuracy and precision, it has tapered edges and machine-engraved graduations.
This bamboo engineer triangular scale is equipped with graduations including 10, 20, 30, 40, 50, and 60 parts to the inch. It is double numbered. The Alvin 240B Series Bamboo Engineer Triangular Scale is 12 inches in length. It is packed in a hard plastic case.