Portable scales generally refer to scales with hooks, also called hook scales. Therefore, it needs to be portable, collected by the courier, or used by some people to buy food. The measuring range is generally 0-50kg.

Palm scale refers to a small scale sample family, also known as jewelry scale, which is very small, only the size of a calculator, and its measuring range is also very small, generally 0-500 grams. Of course, there is no hook.