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 3/8 inch with a thread pitch of 24
Inverted flare union: Great for joining 2 (3/16 inch) steel, poly-coated or brake lines together
Application: Fits most common inverted or double flared sizes of 3/16 inch pipe
Package Includes: 4 x 3/8-24 threads unions; 8 x metric 3/8-24 threads nuts