Product: Corrugated Paper High Speed Steel Sheeter KnivesMaterial: HSS,Website:http://www.chinabettool.com, High Speed Steel, other materialsType: Standard, Non-standardProduct Description:Sheeter knives are also called sheeter blades.For corrugated paper or carton paper is a soft material, so the sharpness of knife edge is very important, or your product edge will be not good.Grinding the knife is very important, the feed rate should be small, and you should choose soft grinding wheels, or it is easy to burn the knife material.After grinding the knives, you should use oil stone to grind the knife edge by hand, if you do like this, the knife edge will be better, and you will get a better cutting edge.