High-grade copper 4mm / Socket 4mm / High-current Amplifier Stereo jack socket terminal

product description Type: Banana Jack Jack Connector Material: copper + plastic Hub: 4 mm Total length: 30mm Outer diameter: 12mm Mounting screw: M4x9mm Color: 5 colors, red, black, blue, green, yellow Uses: Suitable for 4mm banana plugs, spade terminals or bare wires Installation: Easy to install, screw-locking, compact, reliable and durable. note: Due to manual measurement, please allow 1-3mm error. Due to differences between monitors, the image may not reflect the actual color of the item