Guaranteed to fit Babylock sewing machine models:
BMP6, BMP8, Ellegante 2 BLG2, Ellegante 2 Signature BLG2-NZ, Ellegante 3 BLG3, Ellegante BLG

Guaranteed to fit Brother sewing machine models:
BAS-311H, BAS-342G, Innov-is 4000 (NV4000), Innov-is 4000D (NV4000D), PR600II Innov-is, PR600IIC Innov-is, PR620 Innov-is, PR620C Innov-is