DescriptionSafe copper material with nickel plated construction, these air hose connectors are safe and have longer service life. Simple structure, thread design, easy and convenient to install and use, widely applied for textile industry, printing industry, packaging industry, automobile industry, processing industry and more fields.Features- Color: black, silver. - Material: Nickel-plated copper, stainless steel, NBR, POM. - Size: 2.80X2.00X2.00cm/ 1.10X0.79X0.79inch. - Thread: PC12-G02, 1/4inch. - Guaranteed pressure resistance: 135Mpa. - Operating temperature range: 0-60C. - Note: The top is connected to the outer diameter 12mm connector, and the bottom is connected to the outer diameter 12.7mm connector. - The air hose connectors can support greater and stronger pressure, easy to install and have longer service life. - They are flexible and space-saving, 360-degree rotate freely, release rings adopt ellipse design, can be removed more conveniently. - Safe copper material with nickel plated construction, being wear-resistant, rust-proof, not easy to leak. - High pressure resistance, corrosion resistance, easy to install and use,against damage after using. - Can be used for textile industry, printing industry, packaging industry, automobile industry, packaging industry and more fields.