They are often decorative or ornamental but can also be plain. A large finial would be 4 inches and a small finial would be about 1/2 inch.
|Small Antique Bronze Lamp Finial|
|Large Resin Lamp Finial|
Finials are made from a variety of materials. Most finials are cast metals like steel and brass. Other finials might be made from resin, wood, and acrylic. Sometimes finials have multiple materials like when a glass prism sets on a metal base.
|Glass Cube on Nickel Base Lamp Finial|
|Cup Shaped Nickel Plated Finial Base|
|6 Prong Oil Rubbed Bronze Lamp Finial|
Next time you are looking at your decor with contempt consider easy changes like new lamp shades or a different lamp finial.