Every segment of this folding rule is made from a different type of wood. The front side has a scale and the rear side provides information on the distribution, characteristics and use of each type of wood. The folding rule not only provides correct measurements but also offers a playful introduction to the world of wood. All wood used is FSC-certified, the rule comes in an attractive black sliding box. Our tip: Also ideal as a present - not only for craftsmen! Accuracy class III (±1.4 mm per 2 m).