The Vintage Sears Engine Analyzer 12 Volt Model 28 2161 is a classic diagnostic tool designed for passenger vehicles. This engine analyzer features an analog display and comes with a user guide, wire probes, and clamps for easy testing. With the manufacturer part number 161.2161, this original Sears product is a reliable and durable tool for analyzing and troubleshooting engine issues. Perfect for automotive enthusiasts and mechanics looking for a traditional and effective diagnostic solution. Comes with a 30 guarantee. Fast Shipping