High quality matetal-made of professional grade white corundum, perfect for the larger chef's knives, gives a nice working area for any size of knife, corrosion-resistant, heat-resistant, edges and corners are clearly.1000/6000 Double-sided sharpening design: 1000 grit is for fine grinding, repair the rough edge of knife. 6000 grit is for polishing your knives and make your knives edge shiny like a mirror.Size corundum whetstones: - 18*6*3cm; The honing stone don't need oil and Water is enough.Guarantee the safety sharpening with non-slip sillicone base. The non-slip silicone base holds the sharpening stone securely in place, so you never have to worry about the whetstone slipping off the counter.Suitable for most grinding operation- kitchen knives, kitchen scissors, sushi knives, pocket knives, bread knives, straight razor cutting class knives, hunting knives, precision tool. This complete knife sharpening kit guarantees razor sharp knives everytime you use it.Forget the often frustrating and dangerous experience of using blunt knives in the kitchen, or don't know how to sharpen your knives like a pro.1000 Grit: A coarse grit for shaping your knife edge and removing any previous burrs or imperfections6000 Grit: A very fine grit used for honing the blade and creating your razor sharp finishColour:White + BluePackage Contents: 1 x 2-Sided Knife Sharpening Stone1 x base holderNote: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.