The inji ne samar da takarda jakar, ton jakar da kuma na musamman bukatun kara rufi jakar da sutura kayan aiki, da inji yana da babban allura nisa, sutura kauri ikon karfi da sauran halaye. The inji ya yi amfani da madaidaiciya bearings da kuma jan karfe gami shaft hulɗa da kuma haɗi, lubrication tsarin domin man fetur kofi shiga wannan gashi ajiya man fetur, yana da high sogo gudun, low amo, sauki gyara da kuma sauran rayuwa.