1/4" OD x 1/8" NPT thread push to connect fittings,1/8" quick connect fittings pneumatic elbow and straight combination.This kit is widely employed in industrial automation production equipment. 【Material】:These air line fittings are constructed from nickel-plated brass and high-quality plastic, ensuring durable performance. They exhibit excellent resistance to acids, corrosion, possess high tensile strength, and demonstrate superior aging resistance. 【Design】:These air hose fittings feature a circular release ring design, which facilitates easy installation and removal of hoses. Additionally, the bottle cap can rotate 360 degrees. An internal locking clip spring ensures that after engagement, the pneumatic tube is securely fastened, not easy to fall off. 【Wide Application】: These quick connect fittings are suitable for a variety of applications including the automotive industry, workshop equipment, car air suspension systems, pneumatic tools, dental equipment, and more. 【Working parameters】: These air fittings are designed for use in pneumatic and vacuum systems.The working pressure range is 0-1.0 MPa (0-145 psi), and the operating temperature range is 0-60°C (32-140°F). Package Content：12pcs x Elbow and Straight Push-in Connect Fittings(6 Elbow+6 Straight).There are two types air line fittings to meet most of your needs. 1/8 NPT to 1/4 Push to Connect Fittings,1/8 quick connect air fittings；1/4 quick connect fittings；air hose fittings；1/4 push to connect fittings；1/4 air line fittings