Porcelain lamp holder with pull chain:

Leviton Porcelain Lamp Holder Suitable for a wide variety of fixtures, signs and displays
Medium base socket – fits regular incandescent light bulb bases
Two-piece base and ring design made of unglazed porcelain
Includes gasket rated at 90°C dry maximum
Single circuit
Keyless – no ON/OFF switch
Backwire with 2 9″ 18 AWM TEW wire leads, stripped 3/4″
Slot lock prevents rotation
Rated 660W 250V
Designed to fit a 1-7/16″ diameter hole
Dimensions: 1-3/4″ outer diameter; 1-3/8″ overall height
Aluminum screw shell
Unglazed porcelain body
Nickel plated copper alloy screw shell
2 9″ N0. 18-gauge wire leads
2 #6-32 captive mounting screws on .84″ centers
Medium base E26 socket – fits standard incandescent bulb bases
Keyless – no ON/OFF switch
Leviton 8101 2-Piece Ring Type Porcelain Medium Light bulb sockets.

We produce Leviton Porcelain Lamp Holders for virtually every light source equipped with incandescent, fluorescent, or CFL lamps. Lamp holders include incandescent medium base, and specialty sizes & fluorescent lamp holders, in addition to a large line of Leviton Porcelain Lamp Holder including pulse-rated mogul-base products, and an extensive selection of devices for high-intensity lamps.