The computerized stepper model has integrated bag cutting and automatic presser foot lifting as standard, and the stitch length is computer-adjustable. This machine is an integrated bag-cutting machine with a knife. It can complete the sewing, trimming and wrapping processes at one time.It is fast, efficient, has beautiful stitches and smooth edges. Suitable for sewing various down jackets, trousers, quilts and other hemming work. Suitable for sewing various thin and medium-thick clothing materials.