Made with carbon steel, and zinc-plated, this 45 Degrees elbow is compatible with a 3/8-inch pipe size, and is meant to be used with a hole dash size of six. This elbow has male by female threading, in size 7/8"-14 by 3/8"-18, with ORB by NPSM connection types. This swivel elbow contains a maximum working pressure of 3000 at 70 Degrees F, and includes O-rings.