Vintage Arnold Mfg. Co Cam Dwell Indicator AC Tester Tool w/Case

The Vintage Arnold Mfg. Co Cam Dwell Indicator AC Tester Tool is a diagnostic service tool used for testing ignition systems in automobiles. This tool, designed by the trusted brand Arnold, features a cam-dwell-indicator function to accurately diagnose issues within the ignition system. It comes with a convenient case for safe storage and transportation, making it a practical and essential addition to any mechanic's tool collection.