The M18 FUEL™ SURGE™ ¼″ Hex hydraulic driver is MILWAUKEE®'s quietest impact driver FLUID-DRIVE™ hydraulic powertrain reduces metal on metal contact within the tool, delivering quieter operation, smoother performance and increased durability over a standard impact Delivers same performance in wood fastening as standard brushless impact drivers POWERSTATE™ brushless motor delivers up to 0 - 3.000 rpm with constant power output to drive screws faster REDLINK PLUS™ intelligence system delivers the most advanced digital overload protection for tool and battery and uniquely enhances the tool performance under load 4-Mode DRIVE CONTROL allows the user to shift into four different speed and torque settings to maximise application versatility