Reduction Scale Ruler - A/1:20/1:25/1:50/1:75/1:100/1:125
Reduction Scale Ruler - C/1:500/1:1000/1:1250/1:1500/1:2000/1:2500
Reduction Scale Ruler - E/1:25/1:50/1:100/1:200/1:1440/1:2880
Reduction Scale Ruler - F/1:2.5/1:5/1:10/1:20/1:50/1:100
Reduction Scale Ruler -D/1:20/1:25/1:33.33/1:50/1:75/1:100
