I've been buying PNY wheels for 20 years - only use this brand. I've even bought this 5-pack before: it worked great! In fact, I still have the very first USB drive I bought: it was a 256MB PNY drive and I paid around $23 for it. yes it is that old But it still works (not that I use it regularly, but I just tested it and it still works!) But this batch is defective. If you have REALLY strong hands, you can slide back the transparent part to use the drive. But you will never close it again without breaking the sliding part - at least three adults in my family (including two adult males) would not be able to do this. We stopped to not break anything. We recommend you put them aside until Revain gets rid of this buggy batch. Unfortunately, previous recent complaints about discs not opening and closing properly are still valid. I return mine.
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