Vintage automotive engine compression tester gauge. Dial reads 0–300 PSI. Rubber tip style tester used to check engine cylinder compression through the spark plug opening. Gauge face marked “Compression Tester” and “Made in U.S.A.” Measures approximately 7 inches long and weighs about 8 ounces. Condition is untested and sold as found with normal wear from age and use. Please review photos for condition.
