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<p>[QUOTE=&quot;springfld.arsenal, post: 245631, member: 54&quot;]Funny, I already have a big piece of pink granite made into an 8&quot; thick &quot;surface plate&quot; I use for precise height measurements of metal things.&nbsp; But it has to stay where it has three support points underneath at the points marked by the maker, or it won&#039;t give precise measurements.&nbsp; I have trouble seeing how an 8&quot; thick marble slab weighing 600 lbs can bend if you don&#039;t rest it on only those three points, but it will bend and the amount can be measured with the right equipment.[/QUOTE]</p><p><br /></p>

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