Try Norton Sharpening Stone Oil to make your sharpening work simpler. specifically designed for all metal kinds. Natural, highly refined light mineral oil is what Norton sharpening stone oil is. Since it is oil of the pharmacopia grade, using it on kitchen equipment is safe. For all Norton oil stones, mineral oil lubrication is advised. During the sharpening process, oil serves as an efficient lubricant to lift away metal and abrasive particles that would otherwise jam up the stone and eventually render it worthless.