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 – 1:33 – 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