ITEM NAME:10pcs 4mm Banana Plug Male for Binding Post Speaker Power Test Description: - 100% brand new and high quality - Made of Copper with good electrical conductivity, convenient to use - Suitable for all kinds of instrument, mechanical equipment, lamps, model, toys etc - Threading Hole Diameter: 4mm - Total Plug length: Approx. 4.3cm / 1.69 inch - Material: Full copper - Spring: Beryllium nickel-plated brass - Insulator: ABS - High Current: 15A - Color: Red, Black, Yellow, Green, Blue Package Included: 10pcs Banana Plugs.Made of Copper with good electrical conductivity, convenient to use. 10pcs Banana Plugs. Pet Dog Supplies. Wedding Party Gift Supplies. Cell Phones & Accessoris. Pet Supplies. - Total Plug length: Approx.