Singer 66, 400, 431G, 500, 800 series, 935U, 1021, 1022, 1247, 1263, 1280, 1288, 1730, 1862, 2100 series, 2210, 2430, 2440, 2500 and 2600 series, 2700 series, 2950, 30920, 3102, 3103, 3270, 4530, 4538, 4610, 4830, 4832, 5017, 5028, 5040, 5050, 5417, 5430, 57815, 57817, 57820, 57825, 5805, 5808, 5812, 5814, 5816, 5818, 5825, 5830, 5838, 5910, 6012, 6100 series, 6201, 6202, 6211, 6212, 6214, 6215, 6221C, 6233, 6244, 6620, 7004, 7011, 7028, 7029, 7033, 7035, 7101, 7102, 7105, 7108, 7110, 7136, 7146, 7174, 7184, 7211, 7212, 8109, 8134, 8209,8214, 8220, 8222, 8234, 8502, 8505, 8518, 8602, 8605, 8606, 8610, 8614, 8618,8734, 8834, 9005, 9008, 9010, 9015, 9018, 9020, 9022, 9027, 9030, 9032, 9034, 9044, 9110, 9130, 9134, 9210, 93220, 9323, 93234, 9334, 9410, 9416, 9420,9416,9420, 9423, 9430, 9432, 9444, 9500, 9502, 9505, 9518, 9602, 9605, 9606, 9608, 9610, 9612, 9614, 9618, 9802, 9803, 9805, 9806, 9808, 9810, 9812, 9814, 9816, 9818, 9824, 9828, 9832, 9836, 9850, 9852, 9852-1, 9853-1, 9855, 9855-1, 9858, 9858-1, 9860, 9936, CG500, CG550, CG590, CM17, CP17, DX-14C, FM17 & FM22 (old & new), HD102, HD105, HD110, SM14 - White 8600, 8800 - Outside diameter: 20.5mm - Height: 10.8mm - Axis diamter 6.2mm