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WonderFil DecoBob Prewound Bobbins
Betty97
0
Oct 30, 2016
How do you determine the difference between Class 15 and L?
Jabernat
13
Nov 16, 2017
Betty97Depends upon your machine. Size L is larger and is usually for commercial and heavy duty machines, where Class 15 is home sewing machines. Because of size difference the L size holds more thread. Your manual will specify exactly which bobbin your machine uses. Trust me, a size L will not fit a Class 15 bobbin case.
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