Not a polarized outlet

I wanted a short extension cord and the USB ports were an added benefit. However, most of my electrical plugs are polarized and it isn't. They won't fit correctly. Anything with a neutral (larger) blade has to be forced in and often works its way out. Why would anyone sell these any more? Unfortunately, I waited too long to return it; but maybe this will help others considering it. If it were polarized or if my plugs were not, it would be fine.

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