Put Juki industrial sewing machine technology to work in your home. Juki's know how incorporated powerful, dedicated drive cutting system, ease of use and high quality stitch formation in their household use sergers. Convertible 2/3/4 thread serging with automatic rolled hem capability. Color coded threading and breakaway looper for easy, correct threading. The upper knife moves out of the way for safe and easy threading access. Adjustable stitch length and differential feed. This machine comes with a multi purpose foot for sewing a wide variety of stitches and products including tape, and elastic. Wide variety of optional presser feet available for cording, blind stitch, piping, gathering, etc."Serger Knobs, stitch length and differential feed" are built into the machine and located internally on the left side of the machine when the cloth bed is opened.