Versatile and Efficient - Works with Milton A style plugs: #778, #777, #777-4, #777-6, #1777-4, and #1777-6 Quick and Easy Connection - The push-type design is especially suitable for quickly changing tools or hoses, allowing users to easily engage by simply pushing the plug into the coupler and disengage by pulling the sleeve back High Flow Rate - These couplers are ideal for a variety of pneumatic tools and applications, with an air flow capacity of 34 SCFM, providing sufficient airflow for most industrial air tools Temperature Resistance - Withstands temperatures up to 250°F (121°C), making it suitable for use in high-temperature environments Buna-N Seal - The Buna-N seal ensures an airtight connection, reducing the risk of leaks and maintaining consistent pressure in the pneumatic system The S-775-4 1/4" FNPT A Style Coupler is a high-performance, durable coupling designed for industrial pneumatic applications. With a 1/4" Female National Pipe Thread (FNPT), these couplers are perfect for quickly and securely connecting air tools, hoses, or equipment. The couplers are designed for ease of use, made of plated steel to resist rust and corrosion, and engineered for high-pressure environments, with a maximum inlet pressure of 300 PSI.