Sharpening Performance : Due to the high-quality white corundum material, sharpening are so abrasion-resistant, corrosion-resistant, heat-resistant, that can be used for a long time and give customers the best sharpening effect. Fulfills All Sharpening Requirements: The whetstone is combined with the grit 1000 and the grit 6000. Coarse side 1000 grit serves dull knives well and the knife edge; the 6000 grit is Perfect for polishing and finer sanding. 't use it on serrated blades and ceramic knife. Includes all Sharpening Accessories: You will not only find the grindstone in the package, also a fix stone and a angle aid, so that you can achieve a better sharpening . The non- silicone holder & bamboo block is for safe protection, and you can hold the whetstone still and adjust height while sharpening. 1000 6000 dual grits stone can meet all your requirements in sharpening. Suitable for kitchen knives, kitchen scissors, shears, chef knives, pocket knives, hunting knives, precision tool, straight , axes, chisels, planer tool and some other woodworking tools. EXCEPT serrated blades and ceramic knife. And no messy and expensive oil needed, Sharpening Instructions Step 1: the stone in the water for about 5-8 minutes, so that the stone can fully moisture. : Clip the guide on knife. First use 1000 grinding 10-15 minutes for a rough grinding . Then use 6000 grinding 10-15 minutes for a fine grinding or polishing.(The perfect sharpening angle is 10~30 degree). Step 3: After you have sharpened , clean and stone with a wet cloth or rinse it with water, and put the stone in the air to dry. WARM TIPS: The most common mistake when sharpening is changing the angle during the grinding process, because it will create a round blade. make full use of the surface not just the middle part. (You can use stone to keep the level when needed) add water properly in the process of sharpening to keep humidity of the stone. The product should be in cool and ventilated environments and prevented from insolation. Specifications: Color: blue and white Material: White Corundum, Bamboo, Silicone Size:18 * 3 * 6cm Package Contents: 1 * Double grinding stone 1 * Bamboo anti- base 1 * silicone pad 1 * Positioner 1 * correction stone Only the above package content, other products are not included. 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.