德國 Faber-Castell 853-B 三棱比例尺 (30 cm)

Brand：Faber-Castell
Model：853-B
Length：300mm
Scale：Metric
Material：Plastic
Divisions: 1:100:200:250:300:400:500
Made in Germany

Metric Triangular Scale Ruler. Made of white plasticl with black letters and white, green and red coloured slots. Three sides with six different scales. Accurate and versatile ruler is an essential tool for architects who count on precision.