Light Grey - Class 15 - Prewound - Polyester - 8 Bobbins - Big Dog Sewing
Prewound Bobbins, Size A, Style A, Class 15, 15J, SA156, for Domestic Sewing/Embroidery Machines, fit with Brother Embroidery Machines, Plastic Sided, Black, 100% Polyester, 60S/2, 144pcs, APB-60S2 - Walmart.com
36 Pack Size A / Class 15 White Prewound Bobbins SA156 Replacement Bobbins for Many Home Sewing and Embroidery Machines - Etsy
Amazon.com: Clear-Glide Class 15 Prewound "A" Bobbins White - 80 count : Arts, Crafts & Sewing