The gentle, highly pure white aluminium oxide used for the manufacturing of this stone is much finer than the abrasives of other synthetic oilstones. Additionally the stone is highly effective and does not clog easily. Pre-soaked with oil in the factory, it comes ready for use. Triangular (approx. grit 1000).
For the past 125 years, US-based company Norton has been developing industrial abrasives. With separate production facilities for individual divisions in 28 countries, including Germany, France and Japan, the company has become the world leader in abrasives of all kinds.