Staedtler Engineering Triangular Scale
12.0" Length 1.0" Width - 1/10 Graduations - Imperial, Metric Measuring System - Plastic - 1 Each - White
12" triangular scales are ideal for engineers and engineering students. Three sides with six different scales feature die-engraved graduations. Easy-to-read, printed graduations will not rub off. Engineer triangular scales are fully divided: 10, 20, 30, 40, 50, 60 parts to the inch. Scales are made of high-impact polystyrene plastic.