Upgrade your existing lighting or add a distinctive finishing touch to any table lamp with these designer lamp finials. Crafted from silver rimmed oyster shells with decoupage lacquered cup sides on silver tone nickel bases sized to fit a standard-size lamp harp with a 1/4" stem. Handmade in Wisconsin from Cape Cod-harvested oysters. Meticulously prong-set and fixed with jeweler's-grade adhesives. Finial base(s) will fit a standard-size lamp harp with a 1/4" stem. This design measures 5 1/4" tall and 2 3/4" across approx. Sizes vary up to 1" due to the natural diversity among shell specimens. Coloration and pattern may vary based on the nature of the materials and varied light sources.