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