ITEM NAME:Domestic Sewing Machine Shuttle Hook Bobbin Case 4 Bobbins Crafts X2N7 Home sewing machine universal bobbin, bobbin core, shuttle, more equipped with several can be wound around different bobbin thread, easy to use Model: A-108 Material: iron, nickel-plated Material: Iron Dimensions: diameter 30MM, height 15MM Product dimensions are measured manually, with slight errors Vintage home sewing machine bobbin case Old-fashioned household foot-operated sewing machines Common brands are, for example: Flying Man, Butterfly, South China, Yufeng, Bridge Product Suite 1 * bobbin case + 4 * bobbin.Material: iron, nickel-plated. Material: Iron.