WHITE ALUMINUM Oxide niƙa Wheels wanda kuma ake kira Farin Alumina, Farar Corundum niƙa Wheels, WA niƙa ƙafafun.Ita ce mafi yawan ƙafafun niƙa.
Farin Aluminum Oxide wani nau'i ne mai ladabi sosai na aluminum oxide wanda ya ƙunshi sama da 99% tsarkakakken alumina.Babban tsabta na wannan abrasive ba wai kawai yana ba da launi mai launin fari ba, amma har ma yana ba da rance tare da kayansa na musamman na babban friability.Taurin wannan abrasive duk da haka 2 yayi kama da na Brown Aluminum Oxide (1700 - 2000 kg/mm knoop).Wannan farin abrasive yana da na musamman sauri da sanyi sabon da kuma nika halaye, musamman dace da nika taurare ko high gudun karfe a bambance-bambancen daidaici nika ayyuka.