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Old 10-08-2014, 06:47 AM
  #3  
Onebyone
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Join Date: Jan 2011
Location: Southern USA
Posts: 15,978
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I use them in all my machines with metal bobbin case. I put them in my two Janome machines drop in bobbins but it is mostly plastic so not much difference I can tell there. The only problem I have is dropping one when I change the bobbin. LOL
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