Have fun with that, I do them regularly at my work it seems. You'll need metric fittings, and the ni/co line is totally worth it too. Not just the rust prevention but the ease of bending.
I've used the 6mm on gm vehicles before, not so much the 8 but for 10 bucks, better to have and not need. Your alero will only be using the 4.75 (3/16) for bubble flares.
Dug this out of the toolbox thread. When I first put it on. I cant claim the workmanship of it, my dad built it but its been great. Recently ive added a 2 foot power strip under the shelf, and a 36 inch vizio soundbar up in the top. Also mounted my stream light charger where the nudie calender...
Im fortunate enough that summit it a 20 minute drive away, and I can say every time im there, its great service. They are defintely on their A game with their customers.
I have the aircat 1/2 4450 drill, thing is almost silent and drills holes. All I needed it to do and it works great. If it were to break, I would buy it again.