The Vintage Chicago Pneumatic Electrical Systems Analyzer is a rare and valuable tool for analyzing electrical systems in vehicles. This unit features a 60 Ampere shunt and comes with wire probes and a case for easy storage and portability. With an analog display, this analyzer is a reliable and efficient tool for diagnosing electrical issues in automotive systems. Manufactured in the United States by Chicago Pneumatic, this unit is a must-have for automotive enthusiasts and professionals alike.