Lot of 5 E39/E40 to E26/E27 Adapter - E39/E40 Goliath Edison Screw to E26/E27 Edison Screw Bulb Socket Adapter Converter Converts an E40 socket into a standard E27 socket Safe and convenient to use Multi-thread screw, high quality material, solid construction Metal contact, good conductivity High temperature resistant, perish assistant, and anti-burning