E-Clutch® Activates in less than a tenth of a second when a pinch/stall event is detected. Dust Ejection System™ provides durability by ejecting damaging dust and debris particles that enter the tool through the air intake vents. Power Loss Reset® prevents accidental restarts following a power disruption when the tool is left in the "on" position. Power tool shuts off before overheating with Power-Off®Advanced Overload Protection.