The Black amp;amp; Decker 20V MAX Lithium Cordless Drill with AutoSense TM Technology instead has an automatic clutch that has proven to be three times more accurate than a mechanical clutch. Homeowners no longer need to experiment with trial and error to set the clutch. The 20V MAX Lithium Cordless Drill with AutoSense has two modes, drill and drive. In drive mode, a microprocessor continuously measures the tools performance. As the screw enters the material there is a rapid change in its torque profile. The microprocessor analyzes the rate of change and stops most screws flush with the material within three milliseconds.
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