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Old 01-10-2011, 03:35 PM
  #8  
Lacelady
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Join Date: Apr 2009
Location: Ireland
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I have an HQ Sweet Sixteen and it uses an M bobbin, which measures 1in diameter. All my domestic machines (Bernina, Singer, use the L bobbins, the diameter seems to be the same (though smaller than the M bobbin), but the depth of them varies.
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