The Forney 75487 direct line air chuck with snap on clip, 1/4-inch female NPT is a direct line air chuck with built-in clip shut-off valve. Can not be used on inflator gauges. Forney Industries is one of America's longest operating family-owned metal working product companies. Founded in 1932, Forney offers more than 5,000 products for the hardware, automotive, farm and ranch and do-it-yourself markets. If you've got metal working questions, we've got answers. Were committed to your success regardless of location size or needs. Direct line air chuck with snap on clip, 1/4-inch (6.35mm) female NPT. Max airline pressure is 150 PSI. Claims for warranty must be made within 90 days of the date of purchase. Proof of purchase required. This warranty does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.