Staedtler scale ruler is perfect if you're doing technical drawings or other work where you need to measure and create using ratios
| An inexpensive quality scale ruler
| Durable plastic construction with long-lasting graduations
| Ideal for students
| Tough, flexible, climatically stable and will not discolour or become brittle with age
| It provides a 1:1 and 1:2 ratio on the front and a 1:5 and 1:10 ratio on the back
| Ideal for students