Advise on Grinder For AK Projects and General Use

That one will work fine, but I think if you look around a little bit you can find a little better price.
That looks just like the one I have but IIRC I only paid about $20.

Do you have any of those traveling tool shows in your area?
They usually have a good deal on them.

A Dremel is a great tool, and I use mine frequently, but occasionally you need <Tim the tool man Taylor voice on> More Power <TT voice off>

Think of the Dremel as a small ball pein hammer and the angle grinder as a 3lb. sledge