... ,etc The machine has structure of twin-needle split needle bar. It is very convenient to make corner seam, acute and ... parallel lockstitch of any angle. Feeding in phase with needle bar and cloth-feeding tooth, which can achieve the steady feeding ... , etc. MODELNEEDLESTITCH NUMBERBEEDLE GUAGE (mm)STITCH LENGTHHEIGHT OF PRESSURE FOOTNEEDLE BAR STROKESPEED (r/min)VOLUME (MM)NW/GW (KGS)DY-845A ...