Harp Inner Size: 6.5 inches high. 3.15 inches wide, the saddle fits an E26 bulb socket. Net Weight: 0.4 lbs Compatibility: Suitable for a Tiffany-style table lamp with a 12-inch wide lampshade. High-Quality: Cast iron support, Zinc finial on top. The strong wire structure will support any commercial shade. Brown baking finish, Harp saddle and finial are included. A wide range of sizes is available from 4.5" to 7.5" in mostly 1/2" increments. Tiffany Style Lampshade support with screw cap on top.