10) Metal Bobbins Class 66 Part # 172222 - Fits Singer Models 66

Singer 66 Sewing Machine Bobbins

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20 Singer 66 Class ,99,338,1022, 802, Drop In Metal Bobbins many

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Consult your machine’s manual to ensure the correct bobbin size. Use the bobbins beneath the needle plate in automatic sewing machines to wind the thread for your embroidery projects. Never add a thread to a partially wound bobbin, as it may be uneven and cause the thread to tangle or break.

Singer 2139 Class 66 Bobbins Metal 4-Count

25 Pieces Bobbins, Metal, Part Number # 172222 Used for SINGER 66