R12 Termination Cap: This service port cap has 3/16" Flare (3/8" SAE).
R12 Cap 3/16": This is the 3/16" R12 service port cap.
Five pack of 3/16'' flare caps made in the USA using the highest level of brass consisting of 65% copper and 35% which means high-tensile strength while resisting corrosion.