Broad Canvas Scale Rule

The Broad Canvas Flat Scale Ruler is 30cm in length and has the following scales: 1:1, 1:100, 1:20, 1:200, 1:5, 1:50, 1:1250 and 1:2500. Ideal for technical drawing, drafting and design, the scale rule has a bevelled edge which gives you a smudge-proof line when inking.