B22 to E27 Socket Extender, Bayonet to Screw Edison Converter, 9CM Light Socket Extension, BC to ES Lamp Base Adapter for LED and Incandescent Bulbs and CFL Bulbs, 2 Pcs. Installation Without Tools: Simply screw the extender into your existing B22 (Bayonet Cap) fixture, then insert your E27 (Edison Screw) bulb.
