The freearm provides 6.3 inches of space to the right of the needle for exciting projects and unlimited creative freedom. Sew at fast speeds of up to 900 stitches per minute. Your sewing projects are done in no time. The semi-automatic threader makes threading easier than ever. A few simple steps, and the thread is in place. Thanks to the BERNINA Free Hand System (FHS), you can raise and lower the presser foot via the knee lifter (optional accessory). There are many different stitches, all of which you can customize. It's not easy to pick a favorite. With the Buttonhole foot with slide #3A, you can sew as many buttonholes as you want with exactly the same length. You decide on the length.