1. PREMIUM KNIFE SHARPENING STONE: Our Knife Sharpening Stone Set is made of durable white corundum (aluminum oxide). Includes high quality double sided 1000/6000 Grit. The straight base is made of natural bamboo wood with nonslip rubber strip. Angle guide tool included to help sharpen at correct angle. This whetstone uses ONLY WATER, no expensive grinding oil needed. 2. THE KNIFE SHARPENING STONE KIT: Comes with double sided (1000/6000) premium quality whetstone, 1000 coarse grit is to sharp, Remove the dull edge quickly and 6000 fine grit is to hone and polish. Nonslip Bamboo base and silicon base are for holding the stone, knife sharpening angle guide, an instruction manual. The water stone will keep your kitchen knives and woodworking tools sharp and insure fast and cutting as if it was . 3. SAFE TO USE: The sharpening stone kit is simple to use and doesn't require physical effort. No need for oil. Which makes the process so easy and very effective. The antislip base insures that the wet stone won't slip or move which makes sharpening process very and more effective. 4. MULTIPURPOSE USE: Our professional grade knife sharpener stone is highly durable long lasting. This whetstone sharpener can sharp ANY BLADE.