30cm Transparent Plastic Ruler by Janrax. Light and Durable ruler with cm and inch measurements. Measurements to 30cm/12". Perfect for home, office and school use.
30cm Plastic Triangular Scale Ruler
Color-coded to ensure quick and accurate selection of the desired scale
Three sides with six different scales which include 1:20, 1:25, 1:50, 1:75. 1:100...