High-speed direct drive auto trimmer built-in foot lifter lockstitch with edge cutter

Model SF 777M-D4 is available to sew all kinds of down jacket, shirts,suits and similar garments.Especially in collar,front opening,etc.The unique feed mechanism reduces the difference in stitch length between forward and reverse feed to minimum even at high speed,The side cutter device can finish sewing,side cut in one time,it will improve work efficiency.