The 3MJ Plug from Fittings Unlimited Inc is a precision-engineered component designed for secure closures in piping systems. This plug features a 1/4" male JIC connection, ensuring compatibility with a variety of fittings. Made from durable materials, it provides excellent resistance to wear and tear, making it suitable for high-pressure applications. This plug is ideal for use in hydraulic and pneumatic systems, ensuring a leak-free closure. Its design adheres to industry standards, making it a reliable choice for both DIY enthusiasts and professionals.