1、Exquisite electroplating process can improve conductivity and reduce magnetism. It has passed the CE/ROHS/PSE certification. 2、Pure copper (99.998% purity) as the insert, so that the electrical signal and current reach the light transmission rate, solving the signal distortion. 3、Nylon/glass fiber front body runs quietly‑better noise reduction effect can be achieved after installation. 4、Treated with unique insulation, anti‑oxidation, and wear‑resistant special process, which has a good shielding effect. 5、The range of application of this pure copper power plug connector can be all professional video appliances. Item Type: Audio Power Plug Model: E109R Conductor Material: Pure Copper Main Body Material: Nylon/Glass Fiber Connection: Hex Screw Applicable Wire: Up to 4.5mm² (11 to 14 AWG) Installation Cable Diameter: 10mm-20mm/3.9-7.9in Electroplating Process: Oxygen-free Copper Plating/Silver Plating/Palladium Plating/Rhodium Plating Model: F109R Conductor Material: Pure Copper Main Body Material: Nylon/Glass Fiber Connection: Positioning Screw Applicable Wire: Up to 6mm² (10 to 14 AWG) Installation Cable Diameter: 10mm-20mm/3.9-7.9in Electroplating Process: Oxygen-free Copper Plating/Silver Plating/Palladium Plating/Rhodium Plating Range of Application: Suitable for Professional Audio-visual Appliances 1 x Power Plug