Features & Benefits:2-way pressure and vacuum test functionsIntuitive rotary dial mode switches from pressure to vacuum with a simple clickIntegrated rear mount gauge and optimal viewing angleHigh quality silicon material hoses with quick couple fittingsLifetime warrantyThe 6975 Vacuum/Pressure System Tester can immediately diagnose leaks in pressure or vacuum systems. The patented design includes an intuitive rotary dial for quick switching between pressure and vacuum and an ergonomic pistol grip with lever. High-quality hoses with quick-couple fittings make quick work of hose/adapter changes and are leak-free under pressure or vacuum. An integrated rear-mounted gauge provides optimal viewing with testing up to 30 PSI pressure and up to 28 in Hg vacuum. It includes hose adapters, rubber adapters and plastic attachments for diagnosing EGR valves, fuel pressure regulators, thermal and electric vacuum switches, turbocharger waste gates, heating and ventilation control valves, central locking systems, MAP sensors and more. Stored in a convenient blow molded case. Covered by OTC's Lifetime warranty.