Produces beautiful and quality decorative stitches which are soft to the skin. Can handle a wide variety of garment sewing from delicate stitches of underwear to decorative stitches of outerwear. Thanks to modified needle thread take-up, spreader, lower looper and needle guard mechanism, the iW500 series handles a wide variety of threads, producing more uniform and beautiful decorative stitches. Subclasses are available for high quality and diversified sewn products. The oil seal attached to various areas prevents oil leakage and oil splashes.