Message:

<p>[QUOTE=&quot;Danomite, post: 4518786, member: 109452&quot;]Rick, I truly would like an explanation of this. I use a grinder a lot like the one you posted to engrave guns. It is a rotary machine and leaves distinct circular marks and metal “pile up” much like whizzing. Of course the marks are more noticeable as the coarseness of the die/abrasion material increases.[/QUOTE]</p><p><br /></p>

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