SINGER 20U73 is a zigzag sewing machine for artisan zigzag sewing, suited for sewing light weight and medium weight materials. It offers perfect straight stitching and superfine control of stitch length for perfect satin stitching. With its adjustable stitch width and length, you can create a variety of decorative and functional stitches. The machine also features a needle position selector for precise stitch placement, a stitch width regulator, and a knee lifter for hands-free operation.