Eeekit 100 Pcs Quick Connect Air Hose Fittings, 5/32 1/4 5/16 3/8 1/2 Inch Air WHAT YOU WILL GET: You will receive 100 pieces straight push connectors in five different sizes: 5/32", 1/4", 5/16", 3/8", and 1/2", with each size having 20 pieces, allowing you to meet a variety of needs. PREMIUM MATERIALS: Crafted from high-quality PU and plastic materials, with high-pressure resistance. They are hard to trip out, not easily deformable or breakable, making them suitable for long-lasting use. This ensures longevity and dependable performance, even in demanding environments. WORKING RANGE: Applied fluid: clean compressed air/Vacuum; Application hose: pneumatic tube/Nylon tube; Normal pressure range: 0-145psi; Guaranteed pressure: 218psi; Temperature: 32-140? ( 0-60? ). EASY TO OPERATE: Our quick-connect air hose fittings revolutionize your pneumatic tasks with their effortless push-in design, easy to connect, requiring just a gentle push. This design not only saves time and energy but also allows you to swiftly attach and detach hoses without the necessity of tools or complex setups. WIDE APPLICATIONS: These air line fittings suitable for various areas, such as automatic industry, workshop equipment, automobile, decoration spray paint, woodworking, electronics, packaging and dental equipment. Whether you're working on a DIY project or a professional job, these fittings have you covered.