bobbin case
# 541678
[babylock] - bl3000, bl4000, bl5000, bl7000
[riccar] - 2600, 2800, 2950, 3300, 3400, 3500, 3600, 4001, 4003, 414, 500, 515, 525, 555fa, 572, 606, 666fa, 805, 806, 807, 808e, 8400, 8500, 888, 906e, 9150, 9160, 9600, 9700, 9800, 9900, re571, re581, re591, rm570,
[singer] - 20u
[white] - 305, 4000, 5000, 510, 5500, 690, 710,
* singer - fits most import zigzag rotary
riccar - all rotary machine ( jo1313z2 )
