Ferrules without Flange (21080) Option:Ferrules without Flange - Chrome plated (21080C) and our Black color shades

and our Black color shades are lined in gold color satin material

Diameter sizing can vary slightly due to the natural materials used in producing the lamp bases

Made of pure white acrylic material with a slip 1/4-27 and 1/8IP center hole

The Highest Quality Lead Crystal

Ferrules without Flange (21080) Option:Ferrules without Flange - Chrome plated (21080C) and our Black color shadesFeatures: These ferrules do not have a flange. The inside diameter is 3 4" and the outside diameter slips a 7 8" hole. It is tapped 1 8 IP. Your choice of finish: Chrome plated finish Brass plated finish Ferrules without Flange, 3 4" inside diameter, outside diameter slips 7 8" hole. 1 8IP tap.