Features: 1. Wide Compatibility – These compressed air quick connectors are designed for seamless integration between pneumatic devices and air lines, ensuring a secure connection that prevents air leakage. 2. Premium Material – Crafted from high-quality iron with a chrome-plated surface for enhanced corrosion resistance and reliable sealing performance. 3. Effortless Operation – Simple slide-back collar design allows for quick installation: just retract the collar, insert the fitting, and release to lock securely in place. 4. Compact & Portable – Small in size and lightweight, these fittings take up minimal space and are easy to carry and store. 5. Safety & Reliability – Helps reduce accidental disconnection of air lines during tool changes, improving workplace safety and efficiency. 6. Versatile Application – Suitable for a wide range of uses including pneumatic tools, automotive systems, air compressors, mechanical engineering, and industrial air line setups. Product Details: These quick-connect fittings provide a fast, leak-proof connection for compressed air systems. Made from durable iron with chrome plating, they resist rust and ensure long-term performance. The user-friendly slide-collar mechanism allows for tool-free connection and disconnection. Ideal for organizing and securing air lines in various industrial, workshop, and DIY environments. Specifications: - Product Name: Quick Connector for Compressed Air - Material: Iron - Surface: Chrome Plated - Color: Silver - Size: Diameter 9mm (Please verify hose inner diameter before purchase) - Package Includes: 4 x SH20 Female Quick Connectors, 4 x PH20 Male Quick Connectors - Total Quantity: 8 Pieces Note: Slight size variations may occur due to manual measurement. Please confirm your hose specifications prior to ordering.