See if this works with your machine
Suitable material: Woven fabrics (light, medium and heavy-weight), Knitted fabrics
Suitable projects: General Sewing, Elastic / stretch materials, Hems and topstitching, Decorative sewing, Embroidery, Patchwork, Quilting
Size 70 1.6mm Part Number: BER 002528.71.01
Size 80 2.5mm Part Number: BER 002528.71.03
Size 90 3.0mm Part Number: BER 002528.71.06
Size 100 6.0mm Part Number: BER 002528.71.12 CAN ONLY BE USED ON 7mm or 9mm BERNINA MACHINES
Size 100 8.0mm Part Number: BER 002528.71.13 CAN ONLY BE USED ON 9mm BERNINA MACHINS
Guaranteed to fit because it is a part.