National Artcraft Chandelier Lighting Fixture Socket, Pack of 10 10 Pack of Adjustable Candelabra Sockets for one low wholesale price You can adjust the socket from 3-1/4 to 4-3/4 inches high overall. The bracket has a 1/8 IP threaded hole on the bottom so it will fit any standard lamp pipe or nipple. rated for up to a 75W bulb and is both UL and CSA listed. Brass and silver wire screws make it easy to properly add a cord to the socket