The 5MJ-4MP Str. from Fittings Unlimited Inc is a high-performance male-to-male straight fitting designed for reliable connections in fluid systems. With a 5mm male thread on one end and a 4mm male thread on the other, this fitting is ideal for various applications, including pneumatic and hydraulic systems. Its robust construction ensures durability and resistance to corrosion, while its compliance with industry standards guarantees quality and reliability. This fitting is perfect for both professional and DIY projects, providing a secure and efficient connection.