Guaranteed to fit Babylock Sewing Machine Models:
BL1556, BL2150, BL2160, BL37, BL6200, BL6300, BL6800

Guaranteed to fit Brother Sewing Machine Models:
150 Campus, PC15, PS1000, PS1250, PS1750, PS1800, PS2250, PS2360, PS2470, PS3100, PS-31, PS-33, PS-35, PS-37, PS3700, PS-40, XL3010, XL3022, XL3025, XL3027, XL3030, XL3100, XL3200, XL4010, XL4011, XL4012, XL4013, XL4014, XL4015, XL4020, XL4030, XL4040, XL4050, XL4060, XR31, XR32, XR33, XR34, XR35, XR37, XR40, XR46C, XR52C, XR65T, XRX55

Guaranteed to fir Viking Sewing Machine Models:
560, 560ED, 560EDT

Alternate Part Numbers: X59176121, X59176151