... s,6 colors of yarn Knitting width:44" 52" Gauge:5,7,9,10,12,14,16 Single System Computerized Flat ... using AC servo motor control, ensuring steady operations with great torque under either high speed or low speed Density control:64-section ... the machine will be automatically shut upon yarn-cutting ,knot, yarn miss,overland,needle crash, wrong program, with signal light and alarm Control system ...