flat collar knitting machine gauge : 5G 6G 7G 9G 10G 12G 14G 16G width:32,54,66,80 inches flat collar knitting ... system multistage combined type roll system.controled by DC electric machine, 4 grade to adjust.transmission mode frequency control, ... forth,proximity switch control move routeauto stop advice yarn broken, knot fabric, fall yarn, floatingback-roll, needle broken, one piece finished ...