E39 porcelain lampholder

E39 porcelain lampholder, E39 porcelain lamp socket, E39 porcelain lamp base 1)productname E39 Porcelainlamp holder 2) certificate UL, ROHS. 3) voltage 250V-750V Electric current 4A-16A 4)main material High pressure & ceramic, common ceramic, porcelain 5) metal Copper, iron, aluminum 6) size As your requested 7) available wire All kinds of UL standard wires 8) contact type Screw style, receptacle style; 9) reply informaition no later than 24hours 10) the price depends on the quantity Our mission is your complete satisfaction! For details, please contact me. I am ready to serve you at any time!