Simple lampshade attachment,mounts directly on a light bulb and lampshade goes on top. It can be used for table lamp, floor lamp, standing lamp, desk lamp, suitable for home, bedroom, living room, office. The lampshade adapter can convert the lampshade to be clamped on a standard bulb without using a lamp harp. Simple and lampshade attachment, none harp required. Make of Iron materials, which is strong to install and keep your lampshade horizontal.