
A lamp harp is the component of a lamp to which the
lamp shade is attached. It typically comes in two separate parts, a saddle which is fastened under the
lamp socket, and the harp itself which consist of a lightweight frame attached to the saddle at its lower end and extending upwards to a point above the bulb. At the top of the harp is a threaded rod. The shade's internal frame (known as a spider) mounts on this rod and is secured in place by a lamp
finial
A finial () or hip-knob is an element marking the top or end of some object, often formed to be a decorative feature.
In architecture, it is a small decorative device, employed to emphasize the Apex (geometry), apex of a dome, spire, tower, roo ...
. Common materials for harps include brass and nickel. The most common
thread size is 1/4-27.
References
Interior design
Light fixtures
{{design-stub