TO USE: The bobbin case can be applied as a replacement part for sewing machines with front-loading bobbin systems, you can also use it as a spare case. Designed with polished and smooth surface. The bobbin case will not cause scratch and can work fluently on your sewing work, embroidery work and art work.
FUNCTIONAL BOBBIN: These metal bobbins can help you with strong sewing work, can stop spinning more quickly, and effectively prevent unraveling or tangling of bobbin thread when sewing operations stop and start.
SIZE DETAILS: Sewing bobbin holder case measures approx. 0.81 inch in diameter, and each bobbin measures approx. 0.8 inch in diameter. Can be applied to most sewing machines, compatible with Babylock, Bernina, Brother, Elna, Janome, Kenmore, Singer and more.
DURABLE: The sewing bobbin case and bobbin are made of stainless steel, rust proof and sturdy, not easy to break or deform, durable to serve you for a long time.