See the picture.
Vintage SEARS Compression Tester 0 to 300 PSI MADE IN USA.
Vintage Milton Compression Tester Gauge 0-300 Psi Made in USA 1977 S-1251
Vintage Milton Compression Tester Gauge 0-300 Psi Made in USA
Vintage Actron Engine Compression Tester Kit 0-300 psi Made in USA
Vintage Pre-Owned Engine Compression Tester Gauge 0-300 PSI Made in USA
Vintage Original Compression Tester Gauge #535902 0-300 Made In USA