Glass Gas Shades are a decorative yet neutral choice for table and hanging lamps. Frosted glass has a delicate Victorian lace pattern. Lustrous when lit producing a soft old fashioned light. Use on chandeliers or individually on wall sconces and table lamps. Use with glass chimney when using on table lamps. Base is flange shape. Must use holder with set screws if positioning shade with base up and open ruffled area pointing down.