This 20-pack of embroidery bobbins is designed for use with a variety of sewing machines. The set includes bobbins suitable for many models, ensuring versatility and convenience. Crafted to meet the needs of sewing and embroidery projects, these bobbins are compatible with numerous machines, including those in the HD1000 and HD3000 series, as well as models like the 2212, 4120QDC, 3160QDC, and Heavy Duty machines. Each bobbin is made to fit securely and operate smoothly, helping to achieve professional results. The pack provides an ample supply for ongoing projects, making it a practical choice for sewists. Manufactured by a USA-based company, these bobbins come with a no-questions-asked money-back guarantee, offering confidence in your purchase. Whether for embroidery or sewing, this set offers reliable performance and compatibility across a range of machine models.