Glad I bought them despite previous poor reviews. When using large quilting threads, regular bobbins won't work because the tapers are too big. They are also quite expensive. I received them today and put them on three open spools. As you can see from the picture they fit well and serve their purpose. At 20 yards, even if they're disposable, they should last a very long time. I am very impressed and very happy with my purchase.
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