Twenty pack of class 66 plastic bobbins to fit Singer sewing machines. Part numbers 172336 and 172222P.
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The Singer Plastic Class 66 Bobbins serve as replacements for many SINGER sewing machine models as well as other brands with drop-in bobbins. This set
SINGER Class 66 Plastic Bobbins 4ct
Set of 4 class 66 transparent plastic bobbins Class 66 bobbins are compatible with many Singer models and other top drop-in bobbin sewing machines
SINGER 2141 Class 66 Bobbins, Transparent, 4-Count
20 Class 66 Bobbins Fits Singer Models in Description # 172336-S
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