Bobbin Case For Singer #31-15, 331K

Insert the bobbin into these durable metal bobbin cases. This bobbin case is for Singer models 20U, 1591, 591, 191, 20U11, 20U13, 20U23, 20U31, 20U33, 20U35, 20U42, 20U43, 20U51, 20U53, 20U62, 20U63, 20U73, 20U73B, 20U83, 20U83B, 120U, 188K, 188U, 195, 196, 220U and more. Will also fit Consew models 103, 19, 290 and 291.

Fit juki, Singer , Brother, Must Industrail sewing machines.

Insert the bobbin into these durable metal bobbin cases. This bobbin case is for Singer model 251.

SINGER 20U Class Bobbin Case. Fits All 20U Class Machines, 241, 251, 281