Simtyso&reg; (2 Pack)GU24 to E26/E27 Adapters - Converts your Pin Base Fixture (GU24) to Standard Screw-in Bulb Socket (E26/E27) E12 to E27/E26 Bulb Lamp Socket Candelabra to Standard (medium) bulb adapter Enlarges your chandelier socket to fit standard bulbs Works with incandescent and CFL (Energy Efficient) bulbs Product Dimensions 4.8 x 3.1 x 1.3 inches