Coverstitch

CV3550D

Stitch Variety: Supports standard chain stitches (1 needle), narrow/wide cover stitches (2 needles), and triple/double-sided top cover stitches (3 needles + top spreader up to 5 threads total).
Free Arm: Built-in free arm configuration makes it easy to hem cuffs, necklines, and smaller cylindrical pieces.
Threading System: Color-coded guides and visible tension dials with a one-touch tension release lever.
Speed: Fast sewing speeds reaching up to 1,300 stitches per minute.
Differential Feed: Adjustable ratio to ensure smooth, puckering-free sewing on all weights and types of stretchy knit fabrics.

Stitch Options: Wide (6mm) and narrow (3mm) 2-needle cover hems, a triple cover hem for thicker knits, and a single-needle chain stitch.
Speed: Sews up to 1,100 stitches per minute.
Differential Feed: Ratio of 0.7 to 2.0mm prevents wavy or stretched edges on stretchy and delicate fabrics.
Threading: Fast, easy looper threading system with color-coded guides.
Needles: Uses standard household sewing machine needles.