ITEM NAME:5pcs 4mm Insulated Banana Socket Connectors Alloy Screw Type Description: Made of alloy with good electrical conductivity, convenient to use Suitable for all kinds of instrument, mechanical equipment, lamps, model, toys etc Nickel plating, screw type Insulator: PA (High temperature resistance/high pressure resistant antiflaming material) Conductor material: Main nickel-plated brass Voltage current: CATIII 1KV /MAX 32A Total length: Approx. 30mm / 1.18 inch Suitable for faceplate open holes: 12mm Color: Yellow, green, red, black, blue Package Includes: 5 x sockets (1pc/each color) SKU: ALU0026983414013011.Nickel plating, screw type. Made of alloy with good electrical conductivity, convenient to use. Color: Yellow, green, red, black, blue. 5 x sockets (1pc/each color). SKU: ALU0026983414013011. Conductor material: Main nickel-plated brass.