juki sewing machine part B2421-210-AA0 MOVABLE KNIFE USED FOR JUKI AMS-210D SEWING MACHINES,IT'S QUANLITY IS PERFECT AND SURFACE IS GOOD-LOOKING Our company is specialized in manufacturing knives, needle plates, feed dog, presser foot of industrial overlock or interlock sewing machines and also various kinds of knives of flat embroidery machine, sequin embroidery machine, cap embroidery machine and chenille embroidery machine.