On 2008-06-06, Martin H. Eastburn wrote:
I don't think so, but perhaps mechanical sizes might give a rating.

There is a label on the side of yours - what is it ? a bar code ??

Fermilab inventory sticker.

http://www.eriez.com/Products/Liftin...iftingMagnets/

Yes, I think that mine matches their 10" version. Both by size and
weight.

i
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