122mm Diameter: This sewing machine bobbin case has a 22mm diameter to ensure an accurate fit for your sewing machine, providing you with a stable sewing experience and accurate thread alignment. 2Excellent Stainless Steel Material: This sewing bobbin case is made of excellent stainless steel material, which is sturdy and abrasion resistant to ensure the durability and stability of the bobbin case, which is not easy to be damaged by long time use, providing long lasting support for your sewing work. 3Unique Eagle Beak Design: This sewing machine metal bobbin case has a unique eagle beak design, which makes the bobbin case easier and quicker to change and install, saving your precious time. 4Good Compatibility: This embroidery bobbin case is compatible with many sewing machine models from the for Viking brand, including but not limited to the 100, 1010, 20.1030, etc., as well as high end models such as the 3000 series and 6000 series. 5Wide Application: This stainless steel bobbin case has a wide range of applications, whether it's sewing everyday household items or handling fabrics made of special materials, this bobbin case can easily cope with them and meet your different sewing needs. 1 x Bobbin Case