The Bobbin Case with 12 CB Metal Bobbins by Prym is designed for domestic sewing machines that use a CB (central bobbin / CB gripper) hook system. This proven system has been used worldwide for decades and is valued for producing consistent stitch quality and reliable thread control Each set includes 12 durable metal CB bobbins, neatly stored in a compact clear plastic case that keeps bobbins organised, protected, and easy to identify at a glance. The transparent lid allows you to quickly see thread colours and remaining quantities, making it ideal to keep beside your sewing machine for everyday use CB bobbins are commonly used in machines with a front-loading or removable bobbin case, where the bobbin sits inside a separate metal bobbin holder rather than dropping directly into the machine. Compatibility Information. These bobbins are suitable for sewing machines that specify CB, CB gripper, or central bobbin systems Not suitable for. Class 15 bobbin machines Drop-in (top-loading) bobbin systems Machines requiring plastic-only or proprietary bobbins. Always check your sewing machine manual or compare with an existing bobbin before use. Includes 12 CB metal sewing machine bobbins Supplied in a clear plastic storage case. Designed for CB gripper / central bobbin hook systems Durable metal construction for smooth thread delivery Keeps bobbins organised and ready beside the machine. Ideal for general sewing, patchwork, and garment sewing Creative Uses Winding multiple thread colours for quick project changes. Keeping dedicated bobbins for piecing, quilting, or garment sewing Organising specialty threads such as cotton, polyester, or fine metallics Maintaining spare bobbins for classes, workshops, or travel sewing kits.
