1. 250 PSI RATED BRASS COMPONENTS are designed for heavy-duty use with tire inflators and gauges 2. COMPATIBLE WITH SCHRADER valves; the closed flow design allows air to flow when the internal flow valve is open 3. 1/4 inch FEMALE NPT THREADS fit most air inflators HEAVY DUTY STRAIGHT TIP makes filling tire hassle-free; the locking clip keeps the chuck attached to the valve stem during inflation Color: Copper Material: Copper Package Contents: 6 x Air Chuck 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.