Class 15 Metal Bobbin Case | Baby Lock BL9, Bernina 317 & More New Style Singer Confidence 7312

Singer Confidence 7312

Singer 221 Featherweight

It is not a horizontal drop-in bobbin holder

Fits these models Pfaff: PFAFF 1007

Class 15 Metal Bobbin Case | Baby Lock BL9, Bernina 317 & More New Style Singer Confidence 7312Replace a worn or missing bobbin case in a compatible front loading Class 15 domestic machine. The metal case holds the bobbin inside the oscillating hook assembly and uses its tension spring to regulate lower thread tension. A stable bobbin case can correct looping beneath the fabric, erratic lower tension and thread snags caused by a bent or worn case. This non branded replacement is listed for select Baby Lock, Bernina, Bernette, Brother, Janome,