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Singer 3221 Simple Sewing Mechanical Machine With Speed Controller & Attachment 37431883834 | eBay
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Spool Pin V610443210 For Singer Simple 3316, 3221, 3232, 3229, 2932, Singer Heavy Duty 4423, 4432, 5511, 5523, 5532, 8770, 1105, 1107, 1116, 1120 - Walmart.com
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2PCS Auxiliary Spool Pin R60033210 For Singer 2263, 2273, 3116 Simple, 3221 Simple, 44S, 4411, 4423, 4432, 4452, 5511, 5523, 5532 Heavy Duty - Walmart.com
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