The 9v Battery Snap Connector DC Jack(Battery Connector Cap) comes with the best quality material. It is widely using for project purpose. This plug is a very common barrel type with an outside diameter of 5.5mm and an inside diameter of 2.1mm. The center is positive. Features : Excellent material fine workmanship It is an environmental 9V battery buckle T- fonts, with red and black connecting lines Save power and protect the environment Good electrical conductivity and comfortable sense of touch Package Includes : 2 x 9v Battery Snap Connector DC Jack SKU: PGI-0028684 Categories: Connector, Prayog Blaster