This fitting is made from forged steel and is cad-plated for corrosion protection. Also included is a 1/4" pipe to 1/8" pipe male nipple and there is a 1/4" pipe to 1/4" airline fitting but it looks like the push lock part is broken.
Note: This is a used item. This item might have been taken in on a trade. RBS may have inspected this item and deemed re-usable. There is no warranty expressed or implied with this item.