The 2146MAX Series Impact Wrenches – including the 2146Q2MAX, is the most powerful 1′′ impact in its class. Available in ¾′′ (2146Q1MAX) drive and extended anvil pistol grip configurations, these tools have been engineered with an innovative pressure gauge that ensures optimized air flow and pressure. These quiet impact wrenches help you maximize productivity across a range of jobs and tackle anything that comes your way. And because you can avoid operating below and above the recommended 90 PSI air pressure, your tool will last longer and perform more reliably. Work more and spend less – the 2146MAX Series helps you do what you do best.