The first thing that struck me about this particular model is its weight. To a guy like me, heavy means well built, and this thing is a heavy nut. It's great because it has enough power to demolish anything and with a twist of the handle you can drill a 6" hole in 3ft of granite. This is the best and most amazing power tool I have ever owned and I have a lot of them. I've been a plumber for many years and swear by Milwaukee tools. The batteries are great, the tools are always well built, andβ¦