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Old December 5, 2012, 02:59 PM   #2
Junior member
Join Date: February 2, 2008
Posts: 3,150
80 grit is a little too coarse for a "satin" finish. You should most definitely practice on some unimportant metal first. Go to the hardware store and buy some rubber plugs for the bore. Tape will protect areas you don't want blasted - for a second or two. Stay back and keep the nozzle moving constantly. Have a LOT of light.
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