Shinwa Sokutei Fiber Folding 78624 Ruler, 5-fold,

Large, easy-to-read numbers It's foldable and convenient to carry. It is poorly conductive and can insulate up to approximately 11,000V. It is water-resistant and the markings are less likely to come off. Even after 25,000 folding cycles, the variable parts show no wear and the scale lines do not fade, demonstrating high durability.