The normal size of the scale is 20 cm long and 3 cm wide. In ancient times, the dimensions of scales were the products of unified standardization, and their specifications and dimensions were consistent. The dimensions of the weighing scale are 20cm long and 3cm wide. Now the size of the weighbridge is related to its function, which shows that the size of the weighbridge is determined according to its function. In the business gifts market, the market demand for the town ruler shows a steady growth trend. For example, a thick book used to press most of it is very heavy, 25CM long and 3 cm wide. 5 cm. The size of rosewood ruler used for painting and writing brush characters on rice paper can reach 33 cm or even 38 cm. There are also small or miniature crystal ballast scales with a length of only 10CM and a width of 2CM.
Paperweight is stationery placed on the desk, also called paperweight or paperweight. Paperweight, that is, things used to press paper when writing and drawing, are mostly rectangular strips now, which are also called weight scales and pressure scales for some reason. The original paperweights had no fixed shape. There are gold, silver, copper, jade, wood, bamboo, stone, porcelain and other materials. The origin of paperweight is that ancient literati often put small bronzes and jade articles on the table to appreciate, because they all have a certain weight, so people will use them to press paper or books when appreciating. Over time, they developed into paperweights for study.