... , Knife Head, Sprocket, Belt, Knife Guard and so on, many parts for Claas. John Deere combine knife section1) Material: 65Mn (or ... ) Hardness: 50-55 HRC, Induction hardening process guarantees long wear.6) Thickness: 2.00MM; 2.8MM; Etc.7)We can accept ... to visit and discuss cooperation.We have provide Agricultural spare parts, including Combine Knife Section internationally for about 10 years.