This PLT 80-1052 4-piece pull-chain light socket with polished brass finish is perfect for all kinds of indoor lamp restorations. With a 6.3-inch chain on the side for easy on/off performance, the medium based socket is threaded to fit 1/8 IPS pipe. The 80-1052 4-piece socket set is equipped with a solid brass shell, cap, ring, and cardboard interior. So, whether you're building or repairing lamps, this on/off pull-chain light socket will provide practical lighting with the option to alter the appearance! Screw set included for easy mounting.