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Center Hole: 7/16"
Brass Vase Caps are 5-1/2" to fit vases with large tops. Made of spun brass with a lightly brushed finish. Use on lamp bases made of glass, ceramic, porcelain and metal. Attractively caps off vases and ginger jars. Center hole slips 1/8 IP - 3/8" standard lamp pipe. To assure proper fit select vase-cap by interior diameter.