Gerber D300140BN Brushed Nickel Elbow Adapter

This is the brushed nickel elbow adapter for the D300558 tub filler. One end of the elbow has internal threads, and the other has external threads. The total length of the elbow is roughly 2 1/4 inches. The internal threads have an inner diameter of 3/4 of an inch, and an outer diameter of 1 inch. The external threads have an inner diameter of 1/2 of an inch,  and outer diameter of 3/4 of an inch.