This is a 1/2" chuck, 8 amp, VSR (to 850rpm), powerhouse of a drill. It has the Quik-Lok cord, adjustable side handle, and a great keyless chuck with carbide teeth.

I had it's predecessor, the famous magnum hole shooter, for years and loved it. My dad is still using it and hasn't had any problems. That speaks to the lineage here. The 0302-20 has 2 more amps, a great keyless chuck, an adjustable side handle, and is a bit more svelte than the old hole shooter.

I bought this model 18 months ago and have had nothing but pleasure from it. I ran it for 6 hours straight once with a water pump on it and it wasn't even warm after that. I've drilled through cement block and foundation with a foot long 1" masonry bit, used hole saws and buffing wheels on it (where the VSR comes in very handy). It has always performed flawlessly. I expect that a hammer drill would be better for masonry but I don't do enough of that to worry about it. If I were going to be popping a lot of holes in sheet metal, I might want higher rpms but I don't do enough of that to worry about it either. If I do I'll buy an air drill. The trigger is sensitive enough that you can drive screws with the drill without ruining your bits if you're careful. It has tons of power and will drive a deck screw completely through a 2X4 and out the other side if you aren't careful.
It will also twist you silly if you jam a spade bit and aren't hanging on.

The handles are comfortable and the whole setup is solid, predictable and just very professional. I'm not the fan of quik-lok cords that some people are because I have enough cords for my tools thank you, and I worry about them coming disconnected, but I had this thing on the roof for three days once - mostly dangling by its cord - and it never disconnected, so I can't complain. It may even be better for that because of the added bulk where the cord connects. I was also apprehensive about the adjustable side handle which attaches via a constricting ring behind the chuck instead of a threaded hole on the body like the older hole shooters. I have put extreme pressure on this handle on many occasions and it hasn't budged. I no longer have reservations about it and I really like the ability to adjust it to any angle around the drill.

I saved the best for last. I love the chuck on this drill. It took a few minutes of getting used to to get it to lock so that I could loosen it but once I got that, it was smooth sailing. I have had brutally misbehaving bits in this thing and jammed them, and it held on without a spin. This chuck is unlike any keyless I've ever seen. It is quick, easy, and holds tight.

Every type of drill has it's virtues, this is the ultimate, corded 1/2" workhorse. A hammer drill would be heavier, a cordless or air drill, less powerful. This is a perfect blend for a lot of people.

Yes, this a more expensive drill then your run-of-the-mill, but oh so worth the money. My husband and I put in landscape timbers around the side of our front steps, and this thing drilled through layers of wood to make holes for the rebar, and it went into the masonery where we put stablizing brackets, like a charm. Top of the line!!