Bernina B580E LE Liberty Edition Sewing +SDT Embroidery Module Machine, 147 Stitch. 91 Liberty, Matching Luggage & Cover, 8Feet, Knee Lift, DCmotor

BERNINA Stitch Regulator functionality Perfection in free-motion sewing Automatic regulation of the stitch length Use with BERNINA Stitch Regulator (BSR) The BSR functionality is integrated in the machine, the BERNINA Stitch Regulator (BSR) is an optional accessory. It ensures stitches of exactly the same length at variable sewing speed.