The Staedtler Mars Triangular Reduction Scale Ruler 561 98 2 is made from a solid white plastic with two coloured flutings and colour-coded grooves for easy identification of scales, ideal for use in schools. The precision divisions are numerated both ways with dimension markings in cm and m for easier working. The triangular design of the scale ruler gives a perfect grip that is vital for accuracy when working on technical drawings.

-Reduction scale ruler ideal for use in schools

-Scales: 1:20 1:25 1:33,3 1:50 1:75 1:100