Wannan inji kayan aiki ne a duniya nauyi wajibi lathe tare da uku jagora hanyoyin, wanda ya dace da juya m da'irar, karshen fuska, tsagi, yankan, m, juya ciki mazugi rami, juya thread da sauran matakai na shaft sassa, cylindrical da farantin sassa na daban-daban kayan tare da high-gudun karfe da wuya gami karfe kayayyakin aiki.Kuma zai iya amfani da faifan sama (ta hanyar canjin kayan aiki) don kunna zaren daban-daban tare da tsayin da ba ya wuce 600mm (ana iya sarrafa zaren mai cikakken tsayi don umarni na musamman).