Main detail Specification of 522-F Flat Knitting Machine Gauge6,7,8,10,12,14, 3.5.7multi gaugeKnitting width:48 ... electric magnet to select needle feelyThe knitting system is single machine head, two systemsRoller: The roller device is controlled by torque ... 12 pieces flank tension in each right and left side.Automatic stop: when yarn breaking, knot, yarn up, reverse rolling, shock ...