How to square up aluminum shafts to fit inserts properly?

[cadillac]

I use a Rigid tubing cutter. I deburr the inside bevel with the fold-out deburr piece and hit the outside edge with fine sandpaper. Works like a charm.

[highpoint forge]

I'm gonna pick up a sharp high quality one and try that. In fact I think I have one somewhere in my tool chest I've never used.