Ok so they work but it may require some grease. difficult to screw. They fit, but my goodness, it doesn't feel like you need enough Astroglide to screw it all the way in. Just bad mechanical quality. You're holding a shorty and the little tip at the end of the screw just doesn't have what it takes to make good contact. I literally had to climb into the lamp I was putting it in and pry the crap out of the spring tab that was supposed to tickle just right. Yes, tips just don't work. Of course they work, but that's crap. E11 - standard size. I'm not sure how the manufacturer interpreted the standard. Probably translation from English to French, then to Chinese and then to English.
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