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