Guaranteed to fit Pfaff Sewing Machine Models:
Group J: creative sensation, creative sensation pro, creative performance, creative vision, creative vision 5.5, creative 2.0, creative 3.0, creative 4.0, creative 4.5, creative 5.0, expression 150, expression 2.0, expression 3.0, expression 3.2, expression 3.5, Expression 710, performance 5.0, performance 5.2, quilt expression 4.0, quilt expression 4.2, Quilt Expression 720

Guaranteed to fit Viking Sewing Machine Models:
Prelude 370, Sapphire 830, Sapphire 850, Sapphire 870, 1140

Alternate Part Numbers: 4125615-45, 4131825-45, 4123078-G, 820793096, 820905096