NEIKO 54004A Whetstone | Knife Sharpening Stone | 400 & 100 Grit, Coarse | Premium & Highly Durable Corundum Stone | 2 Side Water Stone, Scissor, Blade, Kitchen Knife Sharpener Wet Stone…

PREMIUM QUALITY: This double-sided whetstone sharpener is made of heavy-duty white corundum, which consists of white aluminum oxide that is an iron-free non-disposable abrasive. Extremely strong and brittle, each stone has an aggressive impact on knives when sharpening and is long lasting. COARSE WHETSTONE: The red surfaced side sharpens the edges of tools, blades and knives through grinding, keeping your edges sharp on such instruments as kitchen knives, pocket or hunting knives, and more. POLISHING WHETSTONE: The white surfaced side is for honing and polishing the blade edges using a fine grit on the pebble stone to restore your knives and tools back to life. 400 Grit: Four hundred grit whetstone is a medium to medium fine coarse grit with a good metal removal rate and the minimum recommended final stage for knifes. Blade edges will appear frosted but not scratched and leave your knife passed dull but not a super fine sharp. 1000 Grit: One thousand grit whetstone is a fine coarse wi