I bought a set of three of these. The first lightbulb I put in a lightbulb burst when I screwed the lightbulb in. It was a thin candelabra bulb so I didn't rotate it straight but I kept trying the bulb in the socket and it didn't work unless I rotated it further. They also don't necessarily hold the lightbulb straight. If your bulbs are showing, you can find adapters locally so you can put them back in (or better yet, try them first). So two out of three worked. One of the three actually held the lightbulb right in the socket. Didn't try to return the socket because it's a lightbulb adapter. Not worth the trouble.
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