Curve Ruler Bamboo 60cm Ruler Set of 2 Easy to understand centimeters and shaku (Japanese unit of length) with one ruler. Long-term storage after use. From around 1955 (Showa 30), with stains and scratches, but the markings are clearly visible. The purchase date and name are written on the back of the ruler, and the manufacturer's name is faintly visible. Please check the photos and understand that these are old items before purchasing. No pets, no smokers.