... , Abutt 2. Equipped built-in-typ 20U53 High-Speed Zigzag Industrial sewing machine 1. Suitable for Straigh Seaming, Zigzag, Embroidery , Overedge Seaming ... . Suitable for Thin, Medium, Heavy material.4. It is widely used in straight stitching, Zigzag stitching and Embroidery.5. Needle Postion ...