Sizes given as top x bottom x height. Glass sconces and hurricanes for table and wall replacement. The fitter size is the opening the glass will fit into. for a 1 5/8” fit the outside glass diameter will measure 1 1/2 inches. The standard for these shades is 8" in height. - for table applications. We gage the size of the glass by the height of the candle stick or wall sconce. - If the height of the candle stick is 6" you would want a 6" tall sconce. - The height of the sconce with include the height from the very bottom to the very top. - Please visit our hurricane section for taller replacements.