... -482, FKM-522, FKM-562 Series Flat Knitting Machine Gauge: 6, 7, 8,10,12,14, ... needle selection at willThe knitting system is single machine head, two systemsAuxiliary Roller: the roller device ... main roller and sub roller can open and close automaticallyflank tension has 12 pieces both in right ... breakage, knot, yarn up, reverse rolling, piece count end, needle strike, reck not returned, and shock act ...