**Update: Monster, powerful and instant torque. If you've ever taken drilling seriously, you have to experience it with this drill. The drill's instant torque helps you get the job done faster. I've never had to do without wood, concrete or steel. You have to: I mean, have to use good bits or this drill will break them or turn them into a smooth cane. Also, the drill doesn't get hot with constant use like other drills I've used in the past. I'm looking at you Milwaukee. I have used this drill bit and still give it my thumbs up for professionals and DIYers alike. Others show high numbers, but this exercise beats them all. Add the new dcb606 and 609 battery series and you have all the power you need in the palm of your hands. US Assembly. I bought this drill press for a weekly job as a locksmith. I also have a DCD791 for drilling and fixing. This drill is the most powerful cordless drill I have ever used. It's similar to the Milwaukee M18 Gen 2, but the torque of this bit is more immediate in my opinion, and when you get into deep holes in masonry it goes through quicker. I am very impressed with this new Dewalt rock drill. As someone who relies on speed to get things done, this exercise was amazing. I've just punched 75+ holes in concrete and cinder blocks with a 5Ah battery with no problem. At the end of my day I still had 2 out of 3 streaks. Warning: This drill packs a lot of torque and if you're not fully focused on the task you're doing, it will snap out of your hands. Even in Hammer mode, the thing is very loud in enclosed bathrooms and electrical rooms where echoes are present. I would recommend headphones to anyone drilling more than a few holes. Another thing to note is how little heat is generated by using a drill all the time. I believe this will go well with the durability of this power tool. Last but not least, the ergonomics of the drill in the hand are excellent. It is well balanced and very comfortable to wear throughout the day. Vibrations are minimal for a drill of this power. I rate this tool as an A+ for professionals. Absolute Pro power, torque at all 3 speeds, impact drill mode is excellent, great metal lining, top notch LED lighting. The con forward and reverse buttons need some work, the 3 speed derailleur hangs at times.