I >don't know what we buy for grader edges but I'd put money on it not being a >simple steel, 1095, etc. It's just too tough. >Frosty >------------------------ Frosty. The cutting edge steel sold at my dealer is 1055. http://www.mcneilus.com/misccutting.html They do have another cutting edge steel type is not specified. http://www.mcneilus.com/miscbolton.html Bob