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.

Guides fabric for ⅛", ¼", or ⅓" seams with absolute accuracy
Fits seamlessly with the 9mm machines feeding system for smooth, even stitching
Topstitching Made Easy – Ideal for straight-stitch precision on edges and decorative seams
Built-in Guidance – Side notches (3 mm, 6 mm, 7.5 mm) help keep seams consistent
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