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Amazon.com: CKPSMS Brand -1PCS #0040787000 Rotary Hook Compatible with/Replacement for Bernina Brand 217,540,640,740,750,840,850,940, 950,117,121,217N,841 (Rotary Hook)
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Amazon.com: CKPSMS Brand -1PCS #0040777000 Bobbin Case Compatible with/Replacement for Bernina Brand 217,540,740,750,840,850,940,950 (Bobbin Case)
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