High-Quality Construction: Crafted from premium brass, these 1/4 inch internal thread industrial connectors are designed for superior durability and strength, ensuring long-lasting performance without rusting or deteriorating, outperforming aluminum alternatives. Versatile Connector Type: Featuring a 1/4 inch NPT internal thread and 1/4 inch body size, these connectors are perfect for industrial and automotive applications, compatible with all standard industrial sized plugs and fittings. Wide Application Range: Ideal for use in professional environments, automotive shops, or home garages, our air connectors are perfect for air hoses, air compressors, air tools, pneumatic , blow , and pressure washers. Enhanced Grip Technology: Our coupler sleeves provide improved grip during connection and disconnection, reducing the risk of accidental separation and ensuring a secure fit, making your tasks smoother and . Quick & Easy Connect/Disconnect: Designed for effortless switching, the innovative quick-connect feature allows you to connect and separate air hoses swiftly without any tools, optimizing your workflow in any workshop setting. Colour:As Shown Material:brass Package Contents: 10 x NPT Internal Air Couplers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.