... efficiency 3.automatic knife grinding HNM629-6 550W 6" Textile Cutting Machine,Cutting Machine,cutter machine,cutting tool,cut off machine,cut ... ,woolens,linen,silk,chemical fiber and leather, etc.3.having features concentrated lubrication,neat cutting section and small ... high efficiency.5.automatic knife grinding,an ideal cutting tool for garment industry. ======SPECIFICATION======ITEM NO.HNM629-6 ...