PFAFF Bobbin Case Positioning Finger for Groups A-J | #9303531491 2000DE Singer 3709A

Singer 3709A

It fits Group 7 machines in the DESIGNER DIAMOND

Husqvarna Viking Anna

Singer Confidence 7312

PFAFF Bobbin Case Positioning Finger for Groups A-J | #9303531491 2000DE Singer 3709AThe #9303531491 bobbin case positioning finger is the compact metal component that locates the bobbin case precisely within the hook race, preventing it from rotating with the hook assembly during stitching. By holding the case at its correct angular position, this finger keeps the thread path consistent stitch after stitch, which is essential for even lower thread tension. A worn or chipped positioning finger is a common cause of erratic tension,