Amazon.com: CKPSMS Brand -Bobbin Case #125291& BOBBINS Fit for Singer 15-88, 15K88,15-90,15-91 Sewing Machines
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Amazon.com: SINGER | Bobbin Winder For Sewing Machines - For Class 15 and 15J Bobbins - Simple & Portable - Battery Powered With Included Power Adapter , White