Guaranteed to fit Brother Sewing Machine Models:
DT3-B291, FD3-B251, FD3-B252, FD3-B256, FD3-B257

Guaranteed to fit Consew Sewing Machine Models:
201R, 206RBL-25, 756R, 757R

Guaranteed to fit Seiko Sewing Machine Models:
CH-6B, CH-8BV, TH-8B-A

Guaranteed to fit Singer Sewing Machine Models:
148-4, 148-7, 15-1, 15-11, 15-22, 15-41, 15-43, 31-15, 412U141AA, 412U141BA, 412U141GA, 412U541AA, 412U541BA, 412U541GA, 569U