The Forney 75561 90 degree swivel with 1/4-inch male NPT X 1/4-inch female NPT eliminates kinked/twisted air line hose by swiveling a full 90 degrees. All brass construction resists rust and will not corrode as easily as other materials. Forney Industries is one of Americas 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. 90 degree swivel with 1/4-inch (6.35mm) male NPT X 1/4-inch (6.35mm) female NPT. Proof of purchase required. neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.