This is a BRAND NEW PACK of 20 Metal Bobbins #2996 for INDUSTRIAL SINGER 31-15 Class / CONSEW 30 Class / VARIOUS Home Sewing Machines.
METRIC MEASUREMENT: These Quality Bobbins Measure: 20.0MM WIDE & 11.0MM THICK
These are World Class Highest Quality ALL STEEL Bobbins. This Highest Quality Bobbins will fit INDUSTRIAL MACHINES:
CONSEW: 30 Class
SINGER:16,17,31-15,44,68,69,78,331K,431D,431F,431T
These Bobbins ALSO fit many HOME Sewing Machines including: NEW HOME: K
SINGER: 15-30