🔧 Connect with Confidence! Includes 10 pieces, perfect for all your air connection needs. Handles up to 300PSI, ensuring reliability in demanding environments. Crafted from solid brass for superior corrosion resistance. Operates efficiently in a wide temperature range of 0-145℉. Quick connect design fits most manufacturers for seamless integration. 300PSI max pressure 10pcs plugs Solid brass This 1/4” Air Hose Fittings Coupling Plug Kit includes 10 durable male NPT thread plugs made from solid brass, designed for high corrosion resistance and longevity. With a maximum working pressure of 300PSI and a temperature range of 0-145℉, these quick connect fittings are perfect for various applications, ensuring compatibility with most manufacturers.