D type USB 3.0 Socket Metal Female to Female Connector Panel Mounting Holder,3.0 Socket Metal Female to Female Connector Panel Mounting Holder D type USB,other accessories demo in the picture are not included, Shell Material: Zinc Diecast(ZnAl4Cu1), 1 x USB socket, Data conversion for computers,USB charging,and use on robots, Plug Function: Industrial Plug,USB socket only.Panel Mounting Holder D type USB 3.0 Socket Metal Female to Female Connector.