A ruler is used to draw a straight line and measure things with accuracy. The function is so simple, and in a sense, that is why Japanese based delicate technique is required to make this item. One side of the ruler is tilted to make carrying and drawing lines easy.
At first, this product will release a gold like color, but as time proceeds, the color deepens a gives a feeling of an antique tool.
It comes with a nice letterpress cardboard grey card.