Scale-Triangular Metric 30Cm Div.1 Engineering/ Architect - 987 18-1BK
Ideal for professional and student mechanical engineers and architects. White, solid plastic. Die-engraved graduations. Colour-coded grooves. The scale is marked with graduations on the following progression: 1:20, 1:25, 1:50, 1:75, 1:100, 1:125.