The product is a Vintage RAC Compression Tester Gauge designed for testing engine compression with a maximum PSI of 300. It features a 2-5/8” dial and is made in the USA, emphasizing its durability and reliability. This compression tester is a valuable tool for diagnosing engine health and performance, commonly used in automotive repair and maintenance. Its vintage design adds a classic touch to the functionality, making it a desirable tool for enthusiasts and professionals alike.