Guaranteed to fit Babylock Sewing Machine Models:
BL37, BL6300, BL6800, BLG (Ellegante), BLG2 (Ellegante 2), BLG2-NZ, BLG3 Ellegante 3, BLL, BLL2, BLN (Esante), BLSR, BLSY

Guaranteed to fit Brother Sewing Machine Models:
NV1500, NV1500D, NV2500D, NV2800D, NV-4000, NV4000D, NV4500D Duetta, NV5000, NV4750D, NX2000, NX5000, QC1000, PS2250, PS2360, PS2470, PS3100, PS3700, PS53, PS55, PS57, XL6040, XL6050, XL6060, XL6452, XL6462, XL6552, XL6562, XR46, XR46C, XR52C, XR65T, XRX55

Alternate Part Numbers: XA8039021, 440-5GT-6, XA8039051