What Exactly is a "Dense" Magnetic Chuck?

I recently ordered a small surface grinder (may regret it, but...), and
I was looking around at magnetic chucks. I noticed that "dense" magnetic
chucks seem to be cheaper than others. What exactly is a "dense"
magnetic chuck.
Reply to
Bob La Londe
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I recently ordered a small surface grinder (may regret it, but...), and I was looking around at magnetic chucks. I noticed that "dense" magnetic chucks seem to be cheaper than others. What exactly is a "dense" magnetic chuck. ========================
This claims "Ceramic dense magnets for superior holding power."
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Fine poles are for thin work, standard poles hold thick parts better.
Reply to
Jim Wilkins

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