It's suitable for leather and canvas production, such as car cushion and decoration, sofa, handbag, l age, and sports goods etc. It has function of suto thread trimming, auto backstitch, and auto lifting presser foot. It adopts air lifted presser foot and backstitch, it equipped with built-in bobbin winder. Its overhead button can adjust and set alternation capacity. It can use finger press button to control backstitch, back track and orientation of needle.