XT30UD male bullet connector with the tiny Measurement takes a small area and could place anywhere. This Connector is Made from high-temp Nylon and gold-plated bullet connectors, both included in the injection mold at the time when forming the connector. Product coating is 24K real gold, a thickness of 0.05um, plugged thousands of times, the coating will not fall off, prevent oxidation, and good electrical conductivity.