Feature Highlights: 1. Reliable Sealing – These compressed air quick connectors are designed to prevent air leakage, ensuring a secure connection between pneumatic devices and air pipes. 2. Durable Build – Made from high‑quality iron with a chrome‑plated surface for corrosion resistance and long‑term durability. 3. Easy to Install & Use – Simply slide the collar back, insert the fitting, and push the collar forward to lock—no tools needed. 4. Compact & Portable – Small size saves space and makes the connectors easy to carry and store. 5. Safe & Versatile – Helps reduce accidental air line disconnections when switching tools. Widely used in pneumatic tools, automotive, air compressors, and mechanical applications. Product Details: These quick‑connect fittings provide a fast, leak‑free link for air hoses and pneumatic equipment. The iron construction with chrome finish ensures strength and corrosion resistance, while the push‑to‑connect design allows for tool‑free installation. Ideal for workshops, garages, and industrial settings where reliable air line connections are needed. Specifications: - Product Name: Compressed Air Quick Connector (SH20 + PH20 Set) - Material: Iron - Color: Silver - Size: Diameter approx. 9mm (please note: manual measurement may have a 1‑3cm variance) - Package Includes: 4 × SH20 Female Quick Connectors, 4 × PH20 Male Quick Connectors (8 pieces total) Note: Please check the inner diameter of your air hose before purchase. Slight size variations may occur due to manual measurement.