The CRAFTSMAN 1/4-in Steel NPT Coupler (F) is built for reliability and performance. Featuring 1/4-in NPT threads, this coupler connects seamlessly with both male and female universal plugs, making it compatible with a wide range of air tools and systems. Crafted from durable steel, this coupler ensures years of service in demanding industrial environments. It connects to Industrial (I/M) quick-connect plugs—the most commonly used interchange system—for secure, leak-proof performance. Ideal for connecting air hoses to tools, inflators, blow guns, and more, the CRAFTSMAN coupler is an essential addition to any workshop.