EASY OPERATE! SAVE POWER! LOW NOISE!Applicable to sewing all kinds of shirts, suits or similar clothes, especially the collar and the front of garment. Feeder machine is very unique, and it can keep needle distance in consistence while sewing. Cutters device makes sewing and trimming complete at the same time, thus improving the work efficiency. The cutting knife could be stopped when turn the cutting button upward, and it could be used as common sewing machine.1Zoyer High Speed Lockstitch Industrial Sewing Machine with cutterZY52002computer lockstitch with auto-trimmer and auto-thread clampZY9000-D33computer lockstitch with auto-trimmer and auto-thread clamp and with auto-foot liftZY9000-D34 Heavy duty computer lockstitchZY9000H-D