They are cheap and as far as I can tell all the sellers sell small variations of the same product so it doesn't matter where you buy. What matters is the quality, which seems a bit low. It's good that you have a wide range of sizes to choose from, as you'll likely break a few before your project is complete. However, in this case I would rather spend less since I only need it for one project. If I were a pro using them regularly I would look for something more reliable.
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