The stuff comes in a tin can with the polishing compound infused into some wadding. You just tear off a small piece of wadding and start buffing.
Just did a quick buffing on my 0550BLK again. This was done rather hastily (less than 10 min), but if I had the motivation to put some more time/effort into it, I'd expect all the remaining marks to buff out.
Before:
After:
Just did a quick buffing on my 0550BLK again. This was done rather hastily (less than 10 min), but if I had the motivation to put some more time/effort into it, I'd expect all the remaining marks to buff out.
Before:

After:
