... principle, controlled by computer, adopts good quality material. NJ-305 series have 5G, 7G, 8G, 10G.NJ-305-7G gloves machine ... : finger:200 r/m, palm:180 r/m Power: single-phase or three-phase:220V, 250W; Frequency:50/60HZ Driving system: crank drive ... knitting theory Abnormity stop: broken yarn, poor dropping, overloading of motor, bump of needles, low battery, wrong direction Screen display: digital ...