The Staedtler Mars reduction scale is designed for professional use, with precise ratios to ensure accurate scaling of designs and drawings.
- Colour-coded grooves for easy idenfication of scales
- Manufactured from white plastic
- Scale: 1: 20, 1: 25, 1: 50, 1: 75, 1: 100, 1: 125
- Supplied in an impact resistant package
