"The Nextpal 30 Pcs Sewing Machine Bobbins provide a reliable and versatile solution for sewing enthusiasts and professionals. This set of universal metal bobbins is engineered to meet Class 15 standards, ensuring broad compatibility with most household and industrial sewing machines, including many popular brands . The standardized sizing guarantees consistent performance across various devices. Constructed from high-quality steel with a polished zinc-plated finish, these bobbins offer durability and corrosion resistance. The smooth edges prevent thread damage, snagging, or breakage during high-speed sewing, contributing to consistent stitch quality and reduced machine maintenance. This robust construction ensures long-term usability even with frequent projects. Included in the set is a practical storage solution that keeps the bobbins organized and protected from dust and damage. The organized storage allows for easy identification of thread colors and simplifies workflow during sewing sessions, enhancing overall efficiency. Ideal for both home and professional environments, these bobbins support a wide range of applications including garment construction, quilting, embroidery, and routine sewing tasks. They are well-suited for home tailors, DIY enthusiasts, fashion students, and professional sewing studios seeking reliable performance. The package contains 30 metal bobbins with precise dimensions: 0.78-inch outer diameter, 0.27-inch inner diameter, and 0.4-inch height. This quantity eliminates the need for frequent replenishment and provides a practical addition to any sewing toolkit, supporting continuous creative projects without interruption."