... seaming of underskirt,etc The machine has structure of twin-needle split needle bar. It is very convenient ... two parallel lockstitch of any angle. Feeding in phase with needle bar and cloth-feeding tooth, which can ... 511#-16#21/8", 5/32", 7/32", 3/8", 1/4"4MM7-13MM33.43500650*320*67050/52DY-845A ... 7/32", 3/8", 1/4"5MM7-13MM33.43500650*320*67050/52 DY-845A-003 high-speed twin-needle bar lockstitch ...