An NCP coating that keeps and blade edge type sharp by not allowing micro oxidation and abrasion to diminish performance. Use on knives, razors, hatchets, axes, swords, lawnmower blades and scissors. CUTTING EDGE is food grade and non-toxic so is safe to use on kitchen knives and utensils as well. This coating will also safely keep silver, gold or stainless utensils from tarnishing and is dishwasher safe.