With male by female threading, this 90 Degrees elbow has a threading size of 1 1/16"-12 by 1/2"-14, with ORB by NPSM connection types. Made with carbon steel, and zinc-plated, this elbow comes with O-rings, has a compatible pipe size of 1/2-inch, and is intended to be used with a hole dash size of 12. The maximum work pressure at 70 Degrees F for this elbow is 3000.