The VTG Sears Craftsman Engine Analyzer Model 161.210400 is a diagnostic tool designed for automotive use. Made by Craftsman in the United States, this engine analyzer comes with a user guide, wire probes, and clamps to assist in analyzing engine performance. Though it does not come with a warranty, this vintage piece of equipment is a reliable tool for troubleshooting and maintenance tasks. Perfect for DIY enthusiasts or professionals in the automotive industry, this engine analyzer offers a comprehensive solution for diagnosing and improving engine functionality.