Pneumatic quick connector is mainly used for air pipes and pneumatic tools. It can connect or disconnect the pipeline without tools. The connector body is made of red coated aluminum, the connector sleeve is made of black coated aluminum, and the connector seat is also made of red coated aluminum. Product design: There are six locking balls inside the connector to firmly fix the connector. Push-in connector, insert the connector into the connector to achieve fully automatic quick connection, no need to pull back the sleeve. Common use: Standardized accessories are included, which are interchangeable and compatible with accessories from other manufacturers. Application Field: 1. Pneumatic Tools 2. Automotive Industry 3. Air Compressors 4. Mechanical Engineering Product Name:Pneumatic Quick Connector 15-Piece Set Thread Size: Internal/External 1/4Inch NPT thread Plug Standard:US Please check as much as possible to make sure the item is what you need. Color:Red Material:Aluminium Package Contents: 14 * Compressor Accessory Kits 1 * tape 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.