Sand blasting

I'm looking to sand blast my uhaul hitch, then paint it back up. Its pretty rusted. No need to clean it up other than me wanting it to look nice.
I have access to a sand blaster, although I will probably only use the nozzle. Not the enclosure, and just use a wheel barrel to catch the sand.

But what kind of sand do I want to use?
Thanks

 

If you have access to the blaster, why don't you have access to the media? If it is a shop's you are borrowing they should have media there. If they don't or you are getting it yourself an aluminum oxide 60 grit eill work well

 

It is my uncles. He hasn't ever used it.
Thanks

 

Got ya. glass or walnut will be to soft for hard steel. That stuff is used for aluminum most of the time. Steel can take quite a beating from an aggressive media.

 

You can use glass beads for steel may just take a little longer or just turn the pressure up somewhat.