flat collar knitting machine gauge : 5G 6G 7G 9G 10G 12G 14G 16G width:32,54,66,80 inches flat collar knitting machinetype LT868B ... frequency conversion to adjust speed,6 grade speed ,Max.Speed: 1.2m/sec( speed can change according to the needles, yarns ... stop advice yarn broken, knot fabric, fall yarn, floatingback-roll, needle broken, one piece finished,motor overloadPilot lamp green: regular working ...