Material: brass Color: gold Packing list: 50pcs wire connectors Connecting and disconnecting circuits: Wire connectors provide an easy way to connect or disconnect circuits, which can be useful when circuit maintenance, upgrades or testing is required. Transmitting Power and Signals: They are used to transmit power or signals to ensure efficient energy or information transfer between electrical devices or between devices and power sources. Aesthetics and tidiness: Wire connectors can also be used to keep wiring tidy and aesthetically pleasing, especially in applications where cables need to be hidden or organized