有些序列号在琴头的后面，有的是印上去的，有的是贴上去的，有些是直接放一张小卡片在琴盒里面，有些会在贴在共鸣箱里面！ The situation can be frustrating. It opens just like a book, with the tools pressure-fitted into both sides. So it’s very well organized, but you can’t add tools later, change tools with Individuals of different brands, or store a couple of picture hangers with the remain... https://buypowertoolsset.com/product-tag/vessel-where-to-buy/