●Sewing Machine Metal Bobbins 32 Pack, High-Quality Sewing Machine Metal Bobbins ●Diameter: 0.8", inner diameter: 0.28, Outer Width: 0.45", Inner Width:0.39" ●Standard Size To Fit Most Sewing Machines, Like Brother, Babylock, Janome, Kenmore, Singer, Etc ●Comes In A Plastic Reusable Package ●Made From Galvanized Metal That Prevents Corrosion