purpose： 1、 This machine is suitable for general materials, equipped with a needle bar. 2、 Fixing mechanism to prevent needle bar from wavering, which will allow perfect. 3、Zigzag stitches as well as straight stitches. It can be adjusted for a desired zigzag width either by knee lifter or manual. 4、Operation, also has a built in zigzag mechanism and a built-in lording winder. 5、Mechanism, which is very convenient to use