... Specification of 522-F Flat Knitting Machine Gauge6,7,8,10,12,14, 3.5.7multi gaugeKnitting width:48 inch,52 inch ... Main roller and sub roller can open and close automaticallyHas 12 pieces flank tension in each right and left side.Automatic ... freely.Special function:Before knitting, can fix feeder automaticallyVoltage:220V±10%Function:Knitting, tucking float, transfer or composition. System supports ...