Light Bulb Extension: Extend and change the direction of your existing screw mounting fixture, and adjust in any direction. Socket Extension: You can move it and make it point in any direction you want. E27 socket extender will stay wherever you put it. It is very bright and the cable has good flexibility, while maintaining its shape. Screw socket extension used for photography, home lighting, office lighting, workplace lighting, etc. We recommend indoor use to avoid rust. Screw Adapter: Our extension can be bent in many directions and will stay in place.