• Made with high-quality metal, these bobbins are durable and feature a smooth and even surface. • Includes 50 type N metal bobbins and 2 storage boxes, making organization and transport easy. • Bobbin dimensions: 20 mm diameter, 11.5 mm height, and 6 mm central hole diameter. • The storage box measures 12 x 10 x 2.5 cm, ideal for keeping your bobbins organized. • Compatible with a wide range of domestic sewing machines, including brands like AEG, Babylock, Bernina, Brother, Carina, Elna, Gritzner, Husqvarna, Janome, Medion, Necchi, Privileg, Singer, Toyota, Veritas, among others. • Perfect for sewing and embroidery projects, covering all your needs with a simple style.