The product is a set of Fluke manuals for the 80 Series III Series of meters. These manuals include the service manual for model numbers 83, 85, and 87, as well as a manual for the 80 Series III. The manuals provide detailed information on how to use and maintain the Fluke meters, making them essential resources for those who work with these specific models. The product is perfect for professionals in the field of electrical testing and measurement, as it ensures they have access to the necessary guidance and instructions for their work with Fluke meters.