The Power Is In Your Hands. From renovating kitchen cabinets to building your own swing set, drive through dense woods with confidence and precision with the PWRCORE 20™ Brushless 20V 1/4 Inch Hex Impact Driver. This powerful impact drill can loosen larger bolts, drive screws through thick surfaces, and take on the toughest materials around your home. Its brushless motor provides power in every drive, and the advanced Control Mode adjusts from low to high speed, sensing when the fastener tightens.