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Old 05-12-2014, 05:04 PM
  #3  
Candace
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Join Date: Jan 2010
Location: Outer Space
Posts: 9,319
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Joe, the 600 series has nylon gears. Any machine after the 600 series has them also. It's my earliest one, so I can't say anything about the models before the 640 etc. All my vintage Berninas have them.
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