The Deltron 4mm Black Plug (550-0100) is a high-quality single-pole connector, designed for secure and reliable electrical connections. Featuring silver-plated brass contacts for excellent conductivity, this plug is equipped with a solder bucket connection and a durable stainless steel contact spring. Its barrel is made from tough, moulded acetal, ensuring long-lasting durability. With a 10A current rating, this plug is ideal for a variety of applications requiring dependable performance.