A lamp harp is the component of a lamp to which the

lamp shade A lampshade is a fixture that envelops the lightbulb on a lamp to diffuse the light it emits. Lampshades can be made out of a large variety of materials like paper, glass, fabric or stone. Often times conical or cylindrical in shape, lampshade ...

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 (from '' la, finis'', end) 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 d ...

. Common materials for harps include brass and nickel. The most common thread size is 1/4-27.

References

Interior design Light fixtures {{design-stub