The Vintage 1960's Dixon Inc Analog Engine Performance Analyzer is a classic diagnostic tool made in the USA. This engine analyzer is designed for passenger vehicles and heavy-duty/commercial vehicles, with a focus on providing accurate performance analysis. With its analog display type and included clamps, this tool offers a reliable way to assess engine performance for troubleshooting and maintenance purposes. The brand's reputation for quality and the product's country of origin add to its appeal for automotive enthusiasts and professionals alike. While a dusty from years of garage storage, it is new and in the box.