Fits Baby Lock Models B15, B17, BL16, BL18, BL18A Natalie, B21, BL22, BL200, BL23, BL2300, BL23A, BL25A, BL37, BL500, BL702, BL713, BL722, BL1000, BL1050, BL1108, BL1170, BL1400, BL1500, BL1550, BL1556, BL1750, BL2000, BL2160, BL2200, BL2400, BL2500, BL2600, BL2800, BL3500, BL5500