Linex 321 三棱比例尺 (30 cm)
A06130-S RULER-LINEX-321
Brand:Linex
Model:321
Name:Triangular Scale
Length:300mm
Divisions: 1:1:20:25:50:75:125
Made in DENMARK
Linex scale triangular ruler is a useful tool for producing scale drawings, good for architects, engineers, designers and students. It makes scale-drawing straight forward and quick, in a range of scales.