... ,Synthetic,Yarn,Blended fabrics,Legitimate silk and Synthetic wool Single Jersey Knitting MachinesSHS,SHF feature closed tracks and broad-needle butt ... easy knit different kinds of high quality single jersey fabric with lycra on the machine! SHS, SHF are also interchangeable to ... to exchange, you can have different fabric on this machine.MODEL SHS90 SHS20 SHS150 SHS180 SHF90Cylinder diameter 15”~42” ...