Complete 3piece spool pin cap set for sewing enthusiasts Includes wire cover, wire cap, and wire spool to manage thread on the spool pin and support smooth sewing operation. Key benefits Enhanced thread control: secures the thread on the spool pin, promotes smooth unwinding, and reduces thread jumping during projects. Optimized thread tension: helps maintain consistent tension for a more efficient sewing process and better results. Broad compatibility: designed to fit a wide range of sewing machine models, making it a practical addition to your toolkit. Practical use scenarios Working with delicate threads: helps prevent tangling and snags by keeping the thread securely in place. Projects with multiple thread changes or multiple spools: minimizes interruptions and maintains smooth thread flow. Shared or multimachine setups: compatible across many models, enabling easy use in homes, studios, or classrooms. Material and size notes Details on material and exact sizing are not specified; the set is described by its included components (wire cover, wire cap, wire spool) and its functional benefits (thread management, tension, and compatibility).