what it is ,is the low spots never get any contact from buffing, handling ect.The high spots get contact and polish out,the pits are just the raw Ti color that the buffing wheel couldnt contact .the problem i see is you physically have to remove the high spots to get low enough to blend in with the pits,and thats too much work,if they were mine i would x-metal blast em and you would never see the highs and lows.