Widely used: Stackable design, so the plugs can be stacked with existing 4mm banana plugs, fitted for most speakers worldwide, amplifier, audio, sound console, microphone and other connectors. Good technology: Practical banana connector fitting, connect by welding, oxidation - proof and beautiful, is an essential part in many places. Color discrimination: Totally 5 colors 10pcsthat you can use for color-coding, for example red commonly means an active or positive terminal,black indicates an inactive or negative terminal, etc. High-quality materials: Banana plug connectors are Nickel Plating to resist corrosion. Binding posts is made from high quality Zinc alloy of good electrical conductivity and insulated with PE ,easy and fast to use. Perfect replacement: This package contains 10 pcs P3002 model banana plugs, ideal replacement for the broken one. Specification: Product model: P3002 Material: Zinc alloy, PE Surface Treatment: Nickel Plating Current Voltage: 32A/1000v Connection mode: Welding Product color: Red black yellow green Blue Probe diameter: 4mm/0.2in Probe length: 4cm/1.6in Housing length: 2.6cm/10in Total length: 4.4cm/1.7in Weight: Approx.35g/1.2oz Packing list: 10 x Banana Plug