This is the ACTRON VACUUM & PRESSURE TESTER KIT Model A-3, a diagnostic service tool made in the U.S.A. It is designed to test vacuum and pressure in automotive engines. The brand is Actron, and the manufacturer part number is Model A-3. This kit is suitable for use in various automotive applications and is ideal for mechanics and DIY enthusiasts who want to ensure accurate diagnostics. Used a couple of times!
