1 and 12 mm are one centimeter shorter than 13 cm.

2. 13cm is one centimeter longer than 12cm.

3. Handstring is a kind of wooden daily necessities that you can play with in your hand. There are many kinds of bracelets, such as lobular rosewood, sea yellow, yellow and so on. Because of the fine wood and high oil content, it is not easy to deform and crack.