CAUTION Actual size • When winding the bobbin, make sure the thread is not frayed. Sewing with frayed thread may result in 11.5 mm the thread catching on the tension spring of the (approx. bobbin case, the thread becoming tangled or 7/16 inch) damage to the machine. This model Other...
The lower wall of the guide groove and the lower slope incline, recess, and fracture in the lengthwise elongation direction of the lower edge to form a thread hanger part. Through the provision of the upper slope, the lower slope and the thread hanger part, success rate of thread catching ...