<h3>Key features</h3><ul> <li>SIZE: 3/8 INCH Female NPT.</li> <li>High quality: Heat-treated steel with high strength and hardness, offering increased corrosion resistance and a longer lifespan, with a maximum working pressure of 300 PSI.</li> <li>MULTIFUNCTION: For switching quickly between different air tools and accessories with ease during applications.</li> <li>MATERIAL: Made of steel, working temperature can be from -65°F to250F.</li> <li>Easy TO INSTALL: 6 small balls are connected more closely，no need to resort to other tools, convenient for connection and disassembly.</li> </ul><p>Free shipping included. 30-day hassle-free returns.</p>