Description: WELL MADE of high quality brass durable, no rust, more wear resistant than aluminum,durable and practical. Flexible rotatable structure can prevent twisted hoses and easy to lock and release tools on air hoses. Quick and easy connect system, complete the connection of the pipe connecting or disconnecting without special tools. LEAD-FREE DESIGN:Air quick connector plumbing fittings fits copper tubing and connects all three types in any combination. Widely using in pneumatic tool kits for air compressors, air nail guns, air blow guns, high pressure cleaners, air hoses. Specification: Material: Brass Color: As Shown In The Display Pictures Thread Size: 1/4 inch Diameter: 22 mm/0.87 inch; Height: 50 mm/1.97 inch Package Includes: 1 PC Male Thread Air Quick Connector Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures, pls understand. Please allow slight dimension difference due to different manual measurement,thank you.