In original packaging item, may require some assembly. See link for more details:

Size: 1/4" 

Note: Cannot test due to hardware requirements. Sold as is with 7 days to return.Scalloped edging is missing

https://www.lampsplus.com/p/camila-8-and-one-quarter-inch-brass-and-glass-globe-plug-in-wall-lamp__76h58/