Quality Assurance: SZRMCC USB3.0 connector 24-hour professional after-sales service,each product strict quality inspection, if you are not satisfied with any problem,please contact us. The Cable Extension Adapter Converter easy Installation,no soldering and installation tools, plug directly can make two cables to be a longer cable. for quick installatio, reliable connection. Industrial USB Female Socket made of zinc alloy die-casting metal shell,Nylon plastic core, chrome-plated silver, electrophoretic paint black, durability, anti-vibration and shock,safe for harsh environments. Standard USB3.0 Thru Coupler used in printers, scanner PC, laptop, video transmission, and other equipment with USB ports. The Panel Mount Connector female to female field installable coupler turn USB male port to female port and transmission data, protect cap degin waterproof and dust.