Metric 15cm 6" Fan Shaped Plastic 5 Blade Scale Ruler 1:10 / 1:100, 1:15 / 150, 1:20 / 1:200, 1:25 / 1:250, 1:30 / 1:300, 1:33, 1:40 / 1:400, 1:50 / 1:500, 1:75 / 1:750, 1:125 / 1:1250