Sold by Classic Light Bulb, an authorized distributor of Ironsmith Lighting Products.
Well light covers help shield internal components from debris and the elements. This cover is commonly used with In-ground reversible well light and they are a nice way to decorate and spruce up your fixtures. 
Components
(1) Solid Brass Well Light Cover
(1) Clear Glass Cover
(1) Frosted Glass Cover

Fixture housing and bulb not Included

Product Dimensions : 5.63" Length X 5.63" Width X 1.00" Height
5.56" Inside Diameter