Good Material: The air hose repair kit are made of solid brass structure, with excellent high temperature ductility and low magnetic permeability, which can be used for a long time. Product Size: The size of air hose fittings is 3/8 inch, which is suitable for hoses with 3/8 inch ID. Occasions of use: The 3/8 air hose fittings have a design and can be used in a variety of environments, suitable for home garages, professional auto repair shops and other construction sites. Wide range of uses: Fittings for air hose are suitable for plastic air hoses, which can customize the length of the hose according to needs, increasing the flexibility and convenience of construction site applications. Colour:As shown Material:brass Package Contents: 3 * Air Hose Splicer 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.