【Package Contains】You will get five air line connectors that are easy to use and small in size for easy carrying and storage. (Refer to the picture for the specific size) 【Material】The air line connector is made of high-quality materials, wear-resistant, not easy to rust, high hardness, not easy to deform, and long service life. 【Advantage】The air line connector is easy to use, just slide the collar back and insert the fitting, then push the collar back fully to snap it into place. Allows quick connection / disconnection of tools and airlines. 【Features】These air line connectors and fittings enable tools and airlines to be quickly connected and disconnected. 【Application】The air line connector is suitable for most air pipelines, better control, improve your work efficiency, and bring you more convenience., Manufacturer: HYChuan