0402 SMD resistor box, built-in 128 kinds of resistors with different resistance values, of which there are 200 resistors of each resistance value. The precise and accurate label details in the patch box solve the problem of wrong picking. In addition, the casing of the resistance box strictly selects raw materials, has good air tightness, and the components are not easy to be confused, which can effectively prevent the leakage and confusion of components.