... .Suitable for decoration and conner seaming of underskirt,etc The machine has structure of twin-needle split needle bar. It is ... #-16#21/8", 5/32", 7/32", 3/8", 1/4"4MM7-13MM33.43500650*320*67050/52DY-845A-005DP × 514#-22 ... ", 7/32", 3/8", 1/4"5MM7-13MM33.43500650*320*67050/52 DY-845A-003 high-speed twin-needle bar lockstitch sewing machine