I am a free motion quilter and I absolutely love this presser foot! I choose this over the BSR.
Came quickly and fit my machine. Just what I ordered. Thank you
Happy with my purchase.

Double-Cord Function – Sew two cords (4–6 mm) simultaneously with ease
Create consistent piping for garments, cushions, and décor
Ensures smooth, even stitching around cords
Add decorative accents to fashion and home projects
Specially designed grooves hold cords securely in place
COMPATIBLE MACHINES
Bernina 570 QE/QEE, Bernina 590, B 700 Pro, B 710, Bernina 740, B 750 QE, Bernina 770 QE/QEE, Bernina 770 QE Pro, B 790, Bernina 790 Plus, B 780, B 830, B 880, Bernina 880 Plus