Ingersoll Rand 2145QiMax 3/4-Inch Composite , Quiet ImpactTool MAX Power: 1350-Feet Pound maximum reverse torque from a tool that weighs just 7.4-Pound and is compact enough to access tight spaces MAX Durability: Built to last and designed to withstand tough use in rugged environments, a two year limited warranty is standard Max Productivity: An air motor that's 16-Percent more efficient that its precessor Easy to clean inlet screen means less down time, better tool performance and more money saved on compressed air 7 vane motor delivers more power