Complete info. ! Our technological innovation changes the imagination for the eyelet buttonhole sewing machine. The machine is very unique design, light weight and can be workable with simple operation by SUZUKI system that is electronic controlled. The needle bar, cloth clamp or knife action are very smoothly driven by built-in each high quality motors. It is not requested any special technique or compressed air for the machine. Machine maintenance, adjustment or noise will be reduced dramatically. @citysewing