How thick is the wooden weighing beam weighing ten Jin?

Wooden scale is a traditional weighing instrument in China, which was used as early as Qin and Han Dynasties. Before scales and electronic scales appeared, they were widely used. When buying and selling things in the market, borrowing rice and noodles from the neighborhood, they are all weighed with wooden scales.

A wooden scale consists of a scale, a weight, a scale hook, a scale, a scale star, etc. Most scales are also covered with copper covers at both ends. Hooks are called hook scales, and those with disks are called disk scales. There is also a small scale called Swallow Scale, which is used to weigh Chinese medicine, gold, silver and pigments. The rod is like a thin bamboo chopstick, and the plate is like a small palm. The weight is only the size of a peanut, and it can be accurate to money, minutes, millimeters and minutes.