8 Bobbins Singer/Kenmore Top Load 15 Class Clear Plasti

For Singer models 1530, 1588, 1590, 1591, 118, 132Q, 177C, 223, 233, 237, 239, 1507, 1525, 1732, 3709, 3722, 3810, 3820, 5102, 5107, 5122, 5127, 5522, 5528, 6510, 6550, 7360, 7380, 9910, 9920 9940, XL100, XL1000, XL3400, XL5000, XL6000 Outside diameter: 20.5mm Height: 11.5mm Axis diamter 6.2mm Fits many top loading bobbin machines including Janome and Kenmore.