(10 Pack) Replacement BOBBINS Metal Singer 30215 30518 31-15 3116 Simple 3208 331K1 4001

*This Listing is for a Brand New SET of 10 Metal Bobbins

*Approximate Measurements Are: Height – 7/16" Diameter - 13/16"

*Flat Top & Bottom with a slightly Flanged Center.

*These are New Steel Class 15 Bobbins # 2518-A

*Alternative Part Numbers Include - 301141006, 128478001, 416534101, 6864, 6862, 81348-451, 74762, 176785, SA156, 006049009, 2518T, 006084009, J01322, HP30222.