Babylock Bobbin item # 2518

Fits Baby Lock models B15, B17, B21, BL200, BL500, BL702, BL713, BL722, BL1000, BL1050, BL1400, BL1500, BL1506, BL1550, BL1556, BL1750, BL2000, BL2160 BL2200, BL2300, BL2400, BL2500, BL2600, BL2800, BL3500 and BL5500. Bobbin diameter measures 7/16" thick x 13/16" wide.