Description： Application: the bobbin case is always applied as a replacement part for sewing machines with front-loading bobbin systems, it can also be applied as a spare case Function: bobbins can stop spinning more quickly, effectively preventing unraveling or tangling of bobbin thread when sewing operations stop and start Size: each bobbin case measures approx. 22.75 mm in diameter, can use for most sewing machine, such as applying for Babylock, Bernina, Brother, Elna, Janome, Kenmore, Singer and more Material: the bobbin case is made of stainless steel, that is durable and very practical, can serve for long time usage Specification： 100% new and high quality Material：Steel Color：As shown in the picture Size：As shown in the picture Package include：1 * bobbin case Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings.