Corsoe Best Two-sided Knife Sharpening Stone 1000 Grit / 6000 Grit with Non-slip Bamboo Base / Professional Knife Sharpener with Holder / Popular Whetstone Knife Sharpener / Aluminum Oxide 2-in-1 Corsoe Sharpening Stone - 1000-grit for sharpening and 6000-grit for finishing The professional choice - Effective for professional use while being easy-to-use at home! One knife sharpening stone does it all - Kitchen knife, outdoor knife and all types of steel tools! Traditional design - Beautiful design of our knife sharpening stone with anti-slip Bamboo base High quality Knife Sharpening Stone Two-sided whetstone #1000 grit for sharpening &amp; #6000 grit for finishing Material Corundum (Aluminium oxide) Beautiful bamboo base with non-slip sillicon padding between stone and base Is a crystalline form of aluminium oxide (Al2O3) Typically containing traces of iron, titanium, vanadium and chromium. Because of corundums hardness ( 9/10 Mohs), it can scratch almost every other mineral. It is commonly used as an abrasive on everything from sandpaper to large machines used in machining metals, plastics, and wood. Its up to you how would you like to use our Corsoe Sharpening Stone! Easy assembly/disassembly Easy maintenance after every use Corsoe Knife Sharpening Stone include 3 parts: Sharpening stone Silicon padding between stone and bamboo base Non-slip bamboo base