Brass Lamp Couplings are a simple threaded brass sleeve enabling two pieces of lamp pipe to be connected. Joins two 1/4 IP size pipes together or can slip 1/8 IP. Use thumb screw in side outlet hole for added security.
Standardized thread sizes for lamps enable many types of parts to be connected. It is imperative to know the thread size when replacing any antique lamp parts. List of common lamp threads and there uses provides a quick reference.