Guaranteed to fit Babylock sewing machine models: BLDC, BLQC, Crafter's Choice BLCC, Creative Pro BL40, Grace BL40A, Sofia 2 BL137A2, Aurora BLMAR Guaranteed to fit Brother sewing machine models: CS8070, HE-240, NX-400, NX-400 Pacesetter, NX400 Innov-is, NX400LE, NX400QE, PC-420, PE-450, PS-2250, PS-2360, PS-2470, SE-400, Star 230E, Star 240E, XL6041, XL6042, XL6043 XL-6050, XL6051, XL6052, XL6053, XL-6452, XL6061, XL6062, XL6063, XL-6562, XL-6040, XL-6060, XR-46, XR-65T, XR46C, XR52C, XRX55, PS53, PS55, PS57 Guaranteed to fit Simplicity sewing machine models: SB7500 Alternate Part Numbers: XZ0070051