The 3MI-4FI Straight Fitting from Fittings Unlimited Inc is engineered for seamless connections in hydraulic systems. Featuring a 3mm internal metric thread and a 4mm female interface, this fitting ensures compatibility with a variety of applications. Its robust construction offers excellent resistance to wear and corrosion, making it suitable for demanding environments. The straight design simplifies installation and maintenance, reducing downtime. Ideal for use in automotive, industrial, and agricultural settings, this fitting meets industry standards for performance and safety.