Cylinder Magnet

February 15, 2009 4:21 am | Products

What are the fat, cylinder-shaped plastic pieces near the end of HDMI cable?

I'm trying to fish my cable through a wall, and there's a narrow spot it won't fit through because of that fat plastic piece. Can I just break that off, or is there something important in there? Someone told me they thought it was a magnet or something.

Signal shielders.

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