Material: The fittings are made of brass to prevent rusting and the nuts are made of high quality steel for corrosion resistance and added longevity and durability
Size: The threads are metric 7/16 inch with a thread pitch of 24
Inverted flare union: Great for joining 2 (1/4 inch) steel, poly-coated or brake lines together
Application: Fits most common inverted or double flared sizes of 1/4 inch pipe
Package Includes: 5 x 7/16-24 threads unions; 10 x metric 7/16-24 threads nuts