10pcs Sewing Bobbin Spool Transparent Plastic Sewing Bobbin for Multiple Sewing Machine.

10 Pieces Premium Bobbins: Ideal for Pre Winding Your Embroidery Bobbin Thread to Have Ready When Needed, and for Keeping Extra Bobbins on Hand for Winding Sewing Thread Colors to Suit Your Projects High quality, durable construction: premium quality plastic bobbins can be reused many times, with security notch for consistent bobbin thread winding Clear view bobbins: The clear, transparent plastic makes you to see your bobbin thread running easily. Standard Size: The sewing machine bobbins is standard size, which can be used on most household sewing machine like bro-ther,jano-me,sin-ger,baby-lock and so on. It is ideal for anyone useing an embroidery machine or a sewing machine in daily life. Class 15 size: 7/16 inches deep bobbins fit home sewing and embroidery machines that use class 15 bobbins; please confirm the bobbin size specifications on user product manual.