Automatic needle threader One fully automatic one-step buttonhole for professional results at the touch of a button Adjustable stitch length and width, keep seams strong and prevent bunching on any type of fabric Heavy duty metal frame remains still for skip-free sewing 32 built-in stitches for easier sewing. Includes six basic, six stretch, 19 decorative and one buttonhole SINGER or INSPIRA branded bobbins are recommended for best results