Pro 4 plastic mounts crack

[MKTinNapa]

I had 2 of my Pro 4 camera mounts crack today.  I live in NorCalifornia, and yes it is cold today, but only upper 30's to low 40's.  It was 42F outside when I went out to replace 2 batteries, and the plastic mount piece just broke off when I held the camera body to replace the batttery.  Anyone else experience similar "mount cracking?"

[StephenB]

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@MKTinNapa wrote:

I had 2 of my Pro 4 camera mounts crack today.

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Are you talking about the magnetic mounts? If so, I have had two where the plastic tab on the back broke off. 

One was attached to a tree, and I think the tree growth eventually put too much pressure on the mount.  I was removing the second when it cracked.  So I don't think cold temperature was a factor.  I live in New England, so it often gets much colder than the upper 30s.

I do have other magnetic mounts outdoors that are still working with no issue.  I also use screw mounts, and I've never had one of those crack.