NEIKO 54004A Whetstone, Knife Sharpening Stone, 400 & 1000 Grit, Coarse, 2 Side Sharpener Water Stone Set, Scissor, Blade, Kitchen Wet Kit

HIGH QUALITY SHARPENING STONE This double sided knife sharpening stone is made of durable white corundum which is made of white aluminum oxide, which is an iron-free, non-disposable abrasive. COARSE WHEEL STONE The red side sharpens the edges of tools, blades and knives by grinding, keeping your edges sharp on instruments such as kitchen knives, pocket or hunting knives and more. POLISHING BLACK STONE: the white side is used for grinding and polishing the blade edges with a fine grain on the pebble to bring your knives and tools back to life. 400 GRIT Four hundred grit flattening stone is a medium to medium fine coarse grit with a good metal removal rate and the recommended minimum level for knives. Blade knife blunt but not super fine. 1000 GRIT The one thousand grit wet stone is a fine coarse stone with a modest sharpening rate, bringing your dull knives back to a sharpness of a factory standard edges on knives when new. Leaves metal edges with frosted appearance.