So it's not a professional tool, but *IS* a real rock drill. Drilling 3/8" in hard, high aggregate concrete takes half as long as my Milwaukee M18 brushless hammer drill. Milwaukee is a GREAT drill/driver, lots of torque and the brushless motor is really efficient. , which means longer battery life. But while the Hammer setup drills the holes I need, the Ryobi definitely does a better job. A hole punch designed to use SDS(Plus) bits and punch holes in solids is clear. I wish the battery lifeβ¦