1、Application: Widely used in electronic instruments, industrial equipment, electronic equipment, inverters, welding machinery, charging generators, ships, RVs, trucks, automobiles. 2、Other Purpose: Banana plugs can also be used for separation and distribution of solar cells, hardware, electrical appliances, computers, power regulators, game consoles, tape recorders, communication products, etc. 3、Open Screw Type: Banana plug is designed with open screw type, no need for soldering, the standard size fits most devices. 4、Easy to Use: The simple design of the stackable banana connectors makes it easier to connect the corresponding cables. 5、Quantity: The package includes 10pcs banana plugs, 5pcs red banana connectors, 5pcs black banana connectors, and the plug size is 4mm / 0.16in.