・Treble hook reduces the frequency of bobbin changes
・Accurate sewing finishes for extra-heavy materials
・Intermittent presser foot(-SF only)
・Best User Experience with LCD Touch Panel
The use of the advanced controlled, heavy duty feed mechanism provides excellent, superb stitch quality and tight stitching even for extra-heavy sewing applications.
Also, the upper thread feeding device which supplies the necessary length of upper thread at the start of sewing, preventing the thread from pulling-out regardless of the material feeding amount.