The STAEDTLER Mars® 561 Reduction Scale Ruler is colour-coded for easy recognition of its scales.
This ruler is ideal for precision drawing and allows you to work easily with reduced scale drawings, such as blueprints and floor plans. The STAEDTLER Mars® 561 Reduction Scale Ruler is colour coded to allow you to see its scales quickly and with ease. This ruler is made from strong white plastic, which ensures it doesn't break easily and lasts for a very long time. It furthermore features a central ridge to give a comfortable and controlled grip.
Reduction scale ruler
Ideal for working with scale drawings
Colour coded in red and green allows you to see scales easily
Sturdy white plastic construction for added durability