1 1/8 inch fitter 3 1/2 inch height 1 7/16 inch bulge Clear chimney for 00 Nutmeg burners and miniature lamps All glass chimneys will vary in thickness due to the manufacturing process. They will fit the holder/burner specified in their description. 1 1/8 inch by 3 1/2 inch clear chimney for 00 Nutmeg burners and miniature lamps