Gemsy GEM2000S-2M İptalli Büyükmekik Çiftiğne (Double needles lockstitch sewing machine with split needle bar) With two straight needles, self-lubricating vertical-axis rotating hook for catching tread loops and sliding cam threadtake-up self-lubrication produce two lines of lockstitch.Needle bar adopts mechanized split structure, suitable for corner-sewing and convenient for reparing seam. Top and bottom shaft use running needle to support, synchoronized dentate-type band to transit. Synchoronized feed by needle and feed dog can prevent the material from slipping, knob-typle regulator adjusting guage, lever-type forward and reverse feeding mechanism made operation more convenient and easy, suitable for sewing shirt, uniform, underwears and jean and etc.