Ordered these for my Ender 3 Pro. The Y tensionor (and probably X) was even able to fit on the 40x40 frame of the printer. The correct size was sent (or at least that's what the label says). The tubing gap one the tensioner was at least 3-4mm smaller than what's necessary. Yes I might have been able to bend it to fit the part on but it's honestly just easier to return. If you don't want to take a chance of the part fitting or not find a different supplier.
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