Featuring a patented rotary dial for quickly changing from pressure or vacuum readings. Featuring a comfortable to use pistol grip and lever with an easily viewable gauge for up to 30 PSI and 28 in. Hg. OTC Vacuum & Pressure System Tester's include adapters for diagnosing fuel systems, vacuum systems, HVAC controls, MAP sensors, EGR valves, turbo wastegates, and more. 

Features

• 2-way pressure and vacuum test functions
• Rotary dial switch from pressure to vacuum with a click
• Rear mount gauge provides easy viewing