Thread: Are 66 and L bobbins the same?
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Old 03-07-2020, 09:13 PM
  #2  
quiltedsunshine
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Join Date: Nov 2010
Location: Utah
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I don't think so. L bobbins are for rotary hooks and are flat on top and bottom. 66 class bobbins aren't as wide, and are rounded on top and bottom.
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