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 and lampshade attachment, none harp required 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