Case Knife Guard Combine g BladesKnife SectionsMaterial:65Mn 60Si2Mn Hardness:HRC40- ... treatment:norma 1)Upper serrated and under serrated Knife sections with any special teeth number 2)Ledger plates for fingers,which ... of knife sections suitable for John Deere,New Holland,Claas,Case,Schumacher,Kubota,Yanmar,Ford and so on6)Colors:natural varnished ...