It's not junk. They are real tinned copper. They work fine. But they're not as heavy as premium brands like Temco, Ancor, and Selterm. They also don't have raised holes, making it harder to insert strands into them. Do not use them with Wirefy's own crimping tools (and fix the B1 die). When I tried it I was able to manually pull out the terminal. I have had the best results with the best crimper. I wouldn't recommend it for mission critical projects (nautical etc) but it's fine for hobbyist use.
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