4pcs 4mm Speaker Banana Plug Audio Jack Cable Connector Adapter (Gold)

Pin Diameter: 4mm Pin Length: 13mm Total Length: 40mm Features: - Convenient and reliable - Pure copper with 24K gold plating for maximum signal transfer and durability. - Easy to fit for wire size up to 3.5mm.Material: Copper pin and aluminum alloy coverWire Hole Internal Diameter: 4mmPin Diameter: 4mmPin Length: 13mmTotal Length: 40mmWeight: 40g / 1.41oz / 0.08lb