I believe emery is the equivelent of about 650 grit wetsand, so it would not be practical to take deep pits out with it. The greaseless should work better on a spiral sewn wheel than it will on the sisal. Just line up several coated wheels at a time so you don't have to continually stop to recoat. I prefer to skip emory and just wetsand with 600 grit. I find it to be less messy than the emery compounds.
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