The FUI JISBP-OFS-2403-04-04 International-Conversion Adapter from Fittings Unlimited Inc is designed for seamless metric conversions. This adapter features a 4mm male to 4mm female connection, facilitating compatibility between different systems. Made from robust materials, it ensures longevity and resistance to wear. Ideal for hydraulic and pneumatic applications, this adapter meets international standards, providing a reliable solution for engineers and technicians needing to connect varying pipe sizes without compromising performance.