Lower/Make your bulbs in recessed fixtures out and extend your existing B22 screw mount/fixture. Stainess steel neck,applicable for indoor use or outdoor use in a fixture. 360 degree bendable, you could give light to a special part according to your needs. B22 to E27 socket extender, suitable for standard E27 screw base light. Safe and use this adapter for garages, basements, workshops,door light, showcase,ceiling lamp.