This machine has 135 stitches including 10 buttonhole styles and lets you combine up to 35 different stitches to create your own stitch patterns. Built in lettering means you can add names, labels and monogram features to your creation. The NS555 includes an advanced automatic needle threader as well as twin needle sewing. You can also select the initial needle position. With its drop feed setting, the NS55 is also a great machine for beginner quilters.