Taking your creativity to the next level. stronger smoother quiet SFDS feeding system makes the F420 perfect for all types of sewing from delicate silks to tough denim and leather The Brother Innov Is F420 is ideal for whether you're new or an advanced user, the user-friendly features help make creative projects a breeze. The Brother Innovis F420 touch button controls make it easy to select from the 140 different stitches on the LCD screen which include 10 styles of buttonholes, 5 lettering styles as well as a variety of utility stitches from blind hems to advanced decorative patterns.