Features: 1High Stability: Using premium pure copper chip, anti oxidation, anti aging, low impedance, strong conductivity, resistance to plugging. 2PC Shell: Selected high quality PC materials, high purity, less impurities, strong toughness, durable to use and wear resistance. 3Good Toughness: The spring sheet has strong toughness and has been tested for multiple 180 bending without fracture. 4Easy To Connect: RJ45 crystal head can be inserted in a fixed direction and automatically prevent falling off, easy to install and use. 5Ethernet Crystal Head: 8P8C Ethernet cable connector, stable signal transmission, suitable for network communication. Item Type: Material: PC+Pure Copper Model: TF1013D Purpose: Network Communication Structure: 8P8C Package Included: 100 x Crystal Head