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, performance 5.0, quilt expression 4.0, quilt expression 4.2

 fit Viking Sewing Machine Models: 

Sapphire 830, Sapphire 850, Sapphire 870, 1140

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