High quality matetal-made of professional grade white corundum, perfect for the larger chef's knives, gives a 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 't need oil and Water is enough. the safety sharpening with non- sillicone base. The non- 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 cutting class knives, hunting knives, precision tool. This complete knife sharpening kit guarantees sharp knives everytime you use it. Forget the often frustrating and dangerous experience of using knives in the kitchen, or 't know how to sharpen your knives like . 1000 Grit: A coarse grit for shaping your knife edge and removing any previous burrs or imperfections 6000 Grit: A grit used for honing the blade and creating your sharp finish Colour:White + Blue Package Contents: 1 x 2-Sided Knife Sharpening Stone 1 x base holder Note: 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.