Harvester Blade/Knife, Finger Guard, all kinds We specialized in producing all kinds of harvester blade: For New Holland: John Deere, Yanmar Claas, BCS, etc., Kutoba, combine Harvester mower, etc, and reaper.Meterial: 65MnHardness: HRC48-56Thickness: 2mm, 3mm,Surface: How has their oil paintings rust quenching, - Vanish stoving, Blueing, galvanized, etc. Harvester Blade