little dremel buffing pads .... just block sand then buff ... sears got 3/4hp bench grinders on sale pick one of them up and for the buffing part ... the little sanding wheels take to much metal off it makes it all wavy ... i blasted it wet wet sanded from 100 to 600 then went to black then brown then white ...... what are the cover off of you are doing ?
here is another one of some parts i did