Suitable for overlocking and overedging workpieces of light and medium-weight materials. Low sewing tension, neat and beautiful stitch even running with high speed. Auto lubricated and excellent performance KX737A 1 3 - 4mm 3.6mm 0.7-2 5.5mm DCX27 11#-14# 6000s.p.m 34/32kg 470?30?85 KX747A 2 4 2mm 4mm 3.6mm 0.7-2 6mm DCX27 11#-14# 6000s.p.m 34/32kg 470?30?85 KX757A 2 5 3mm 5mm 3.6mm 0.7-2 6mm DCX27 11#-14#DCX13 11#-14# 5500s.p.m 34/32kg 470?30?85