Bobbin Singer 15 class plastic #22

For Singer models 1530, 1588, 1590, 1591, 118, 132Q, 177C, 223, 233, 237, 239, 1507, 1525, 1732, 3709, 3722, 3810, 3820, 4166, 5102, 5107, 5122, 5127, 5522, 5528, 6510, 6550, 7360, 7380, 9910, 9920 9940, XL100, XL1000, XL3400, XL5000, XL6000, Babylock BL2160, B17, Pfaff Ambition 1.0, Pfaff Ambition 1.5, Pfaff Passport 2.0, Outside diameter: 20.5mm Height: 11.5mm Axis diamter 6.2mm Fits many top load machines including Janome and Kenmore Alternative number 416475801