DeWalt DCF885C2 20-Volt 1/4″ Impact Driver with Two Batteries for $165.15 shipped after an automatic $25 off which appears during checkout. Here is a screenshot for your reference. Its motor delivers 2800 RPM, which is up to 43 percent faster than most impact drivers and 1400 in-lbs of torque. The kit also comes with two rechargeable batteries and a quick charger. As a comparison, Home Depot has it for about $219.