rotring Triangular Reduction Scales

High-quality triangular reduction scale rule available in a wide range of scales.

1: 1:20 - 1:25 - 1:50 - 1:75 - 1:100 - 1:125
2: 1:10 - 1:20 - 1:25 - 1:33â…“ - 1:50 - 1:75
4: 1:100 - 1:200 - 1:250 - 1:30 - 1:400 - 1:500
6: 1:10 - 1:20 - 1:1250 - 1:1500 - 1:2000 - 1:2500