Scale with far view scale (E division) for use with an optical leveller, back with classic metric scale. Marking function - when unfolded, the links give a continuous straight edge. High-quality, specially selected beech wood from European forestry for optimal break resistance and elasticity. Recessed hardened sheet steel joints with integrated steel spring ensure durability. and Exact snap. Durable, weather-resistant paint to protect the wooden plates and the scale. Large numbers for better readability, even in poor visibility. Red tens for quick orientation. Black scale with clear and clear print image. Both sides cm/mm division on both scale edges. Accuracy class III.