Michel BRAS Whetstone designed to maintain the exceptional sharpness of knivesThis set includes two whetstones with different grits (#1000 and #3000) to achieve the ideal sharpness. After sharpening with the #1000 grit surface, finishing with the finer #3000 grit surface maintains a sharp, precise edge.Magnesia whetstones shed abrasive particles easily during use, promoting self-sharpening and consistently producing a keen edge. They are gentle on blades, allowing for delicate sharpening of Michel BRAS knives with their three-layer construction, helping you prepare mentally for cooking.Harder than standard whetstones, they wear down slowly and are suitable for a wide range of knives.Their low water absorption means you can start using them simply by wetting them, eliminating the hassle of pre-soaking.While this stone is resistant to clogging, should it become clogged, the included dressing stone can be used to maintain its sharpening performance.