Royal Designs 3 1/2" to 4 3/4" Adjustable Phenolic Chandelier Candelabra Socket - E-12 with Cardboard Insulator and 1/8 ips Threaded Hickey - 75W-125V - 6-Pack E12 Candelabra Socket (1/8F Hickey) Max Wattage 75W Adjustable Socket from 3.15" to 4.65" Includes Paper Insulator UL Listed