The 4Plug-6FOR fitting by Fittings Unlimited Inc is engineered for reliable connections in fluid transfer systems. This plug fitting features a 4mm diameter and is designed for a 6mm connection, ensuring a tight seal and preventing leaks. Constructed from high-quality materials, it is resistant to wear and corrosion, making it suitable for various applications, including automotive and industrial uses. Its compact size allows for easy installation in confined spaces, while meeting industry standards for safety and performance. A perfect choice for both professionals and hobbyists.