What Is a Right & Left Coupling?
A right and left coupling has one right-hand thread and one left-hand thread, letting you join two fixed pipes that cannot be rotated.
This collection shows imported black iron right and left couplings.
A right and left coupling has one right-hand thread and one left-hand thread, letting you join two fixed pipes that cannot be rotated.
This collection shows imported black iron right and left couplings.

