The Vintage Hastings Piston Rings 0-200 PSI Compression Tester Gauge is a high-quality diagnostic tool for automotive enthusiasts and professionals. Made in the USA by Hastings, known for their reliable engine components, this compression tester gauge is designed to accurately measure the compression of pistons within a range of 0-200 PSI. Perfect for troubleshooting and maintenance, this vintage tool combines durability and functionality for a precise engine diagnosis.