The Vintage Harvey E. Hanson Co. Model 5 Compression Tester is a diagnostic tool specifically designed for gasoline engines in passenger vehicles. Made in the USA, this compression tester can measure up to 300 PSI and comes in its original box. Although it does not come with a warranty, this trusted brand and classic design make it a valuable addition to any automotive tool collection. Perfect for car enthusiasts and mechanics looking to accurately diagnose engine performance issues.