Features Stable Fixing: Fixing by screws or soldering, the stable connection ensures efficient work performance. Practical Use: The audio banana connection suits perfectly for speaker, which is useful and reliable. Good Material: Adopting nickel plated and gold plated brass material, has good electrical conductivity. Unique Design: There is a red banana plug and a black banana plug, making the connecting more convenient. Durable Using: Not easy to deform or malfunction, very durable for repeated plugging and long term use. Specification: Item Type: Banana Plug Product Material: Brass Surface Treatment: Nickel plated and gold plated. Plug Diameter: Approx. 4mm / 0.16in Specifications: Double Row Tail Colour: Red and Black Package List: 1 x Red Banana Plug 1 x Black Banana Plug Package List 1 x Red Banana Plug 1 x Black Banana Plug