The machine is designed and manufactured by ourselves.Our machine has the adjustable stitch pitches controlled by micro-computer. Automatic Hook and Eye Sewing Machine contains the three different functions: fabric feeding function, vertical stitching function and hook/eye feeding function. The three units are driven by step motor. You shouldadjust the rotational speed and rotational space of each step motor during debugging. The fabric feeding function controls the specification. Speed: 2000 rotations/minute. Sewing speed: 83 hook and eyes per minute. Power:500W Overall Dimensions:100x60x92cm Weight:75kg/set Wood Package