Bosch 26618-01 18-Volt Lithium-Ion 1/4-Hex Impact Drill/Driver Kit with 2 Batteries, Charger and Case 3 modes of Operation - Allow user to optimize the tool for drilling, driving, and fastening activities 1,500 in lbs of torque - Has the most torque out of any other multi-function Impact Tool on the market 3,200 BPM/2,800 RPM Gear Box - Allows leading performance with highest torque output and fastest drive time. Spring-Loaded Impact Mechanism - Reduces torque reaction and screw cam-out 1/4-Inch Hex Drive with Quick Release - Works efficiently with most popular accessories