STAEDTLER Mars 561 Reduction Ruler
- Manufactured with an engraving process: Dividings and figures have the same accuracy as the die; Dividings and figures are sharper and deeper, and are therefore permanent; Line thickness of dividing are controlled to give maximum clarity
- Tough, flexible, climatically stable and will not discolour or become brittle with age
- Anti-glare finish makes the scales easy to read
- Colour-coded grooves for easy idenfication of scales
- Impact-resistant plastic package
- Divisions: 1:1, 1:100, 1:20, 1:200 (Front), 1:25, 1:250, 1:50, 1:500 (Back)