The Vintage Harvey Hanson Model #5 Compression Tester is a classic diagnostic tool designed for testing engine compression levels up to 300 PSI. Made in the United States by Harvey Hanson, this compression tester is a reliable and durable choice for automotive enthusiasts and mechanics. With its simple design and maximum PSI range, this tester is perfect for troubleshooting and maintenance tasks on a variety of engines. Though it does not come with a warranty, its quality construction and brand reputation make it a valuable addition to any tool collection.
