1、This connector uses pure red copper as the insert, and the purity of the copper is as high as 99.998%. 2、Pure copper material can ensure the high‑speed conduction of electrical signals and currents, and effectively solve the problem of signal distortion. 3、Gold‑plated, and the face has been treated with special processes such as oxidation resistance and wear resistance, so it has a long service life. 4、This female connector is suitable for cables and wires with a diameter of 6mm‑20mm, and can be used for professional audio‑visual appliances. 5、Pure copper+nylon/glass fiber material helps significantly eliminate interference and improve the overall audio system. 1 x Power Connector Item Type: Female ConnectorConductor Material: Pure Copper ( 99.998% )Main Body Material: Nylon/Glass Fiber (Bayer 2805)Model: F184Version: IEC Female ConnectorElectroplating Process: F184 Electroless PlatingConnection Method: Hex ScrewInstallation Cable Diameter: Approx. 6mm-20mm Installation Wire Diameter: Maximum 5.5mm² (10AWG to 17AWG )Rated Value: 25A / 250VCompatiblity: For Professional Audio-Visual Appliances