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<p>[QUOTE=&quot;ValpoBeginner, post: 2796145, member: 77066&quot;]Wouldn&#039;t that warp the aluminum holder?&nbsp; Copper has a hardness of 3.5, im sure aluminum is less hard.&nbsp; Anyway if you know how these are made I believe what you say, just trying to figure out a way that the aluminum could deform the copper. Perhaps it is an alloy of some sort.&nbsp; Well thanks for taking the time to respond the way you did.[/QUOTE]</p><p><br /></p>

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