32 thread spools & 28 metal bobbins with thread, perfect sewing accessories! Standard size fits almost all sewing machines. Preferred gift for grandma, mom, tailors, beginners, etc. Features: Set includes 32 thread spools and 28 metal bobbins with thread. Assorted colors can meet your different sewing demands. Standard size to fit most sewing machines, for Brother, Janome, Kenmore, Singer, etc. Suitable for both hand stitching and machine sewing. Polyester thread with good toughness, not easy to break. Specifications: Material: metal + plastic + Polyester Bobbin Size: 2 * 1cm / 0.8 * 0.4in (D * H) Bobbin Inner Diameter: 0.6cm / 0.2in Spool Size: 2 * 2.5cm / 0.8 * 1in (D * H) Spool Inner Diameter: 0.6cm / 0.2in Package Size: 26.5 * 12.7 * 2.5cm / 10.4 * 5 * 1in Package Weight: 268g / 9.5oz Package List: 32 * Thread Spool 28 * Bobbin with Thread