Lamp Pipe and Fittings comprise many necessary components used to assemble lighting. Often used as the backbone of a lamp, all thread pipe is universally sized with standardized 1/8 IP and 1/4 IP lamp threads. Lamp fittings including bushings, couplings, flange, lock-nuts, washers and lamp necks are used when connecting lamp pipe and other threaded lamp parts. These seemingly insignificant parts are indispensable when creating lamps or doing restoration work. Choose according to lamp thread size.