Used- rust on back on compressor, see photos.
Proto Compression Tester with Hose CTR-20
Vintage Proto CTG-1 Compression Tester with Hose 0-300 PSI
Proto Compression Tester CTG-1
Proto Compression Tester CTG-1 plastic cover pushed in no hose works great
BETOOLL 13pcs Compression Tester with Spark Plug Tester - 300PSI Engine Cylinder
Compression Tester With Milton 1251 Gauge Hoses Ratchet And Socket With Case
