Scribe scale - when unfolded, the links give a straight edge all the way through. 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, smoothness and precise locking. Durable, weather-resistant paint to protect the wooden plates and scale. Large digits for better readability, even in poor visibility. Red tens for quick orientation. Black scale with clear and clear printed image. Both sides cm/mm pitch on both scale edges. Meets the MID guideline applicable for Europe. With CE and metrology marking as well as EC type examination certificate. Accuracy Class III.