Main detail Specification of 522-F Flat Knitting Machine Gauge6,7,8,10,12,14, 3. ... special electric magnet to select needle feelyThe knitting system is single machine head, two systemsRoller: The roller device ... pieces flank tension in each right and left side.Automatic stop: when yarn breaking, knot, yarn up, reverse ... us for further information! shima seiki Flat Knitting Machine with high technology