Media blasting materials, k member, steering box

Degreasing everything first will help any media last longer and keep your cabinet contents from getting contaminated if you aren't doing this outside with a pot blaster. DO NOT use silica / sand without an adequate respirator system; silicosis is a nasty disease no one wants, and a wet bandana wrapped across your face is not "adequate."

This blasting media resource thread on the GarageJournal has been going for such a long time it's almost too much info nowadays but the Search can help you find key points.

Grainger also has a much handier chart you can print out and hang up by your blast equipment or save on your phone. (I tried to copy and paste the chart here but it's incompatible with the message board layout. Click the link and scroll down a little. It's perfect.)