type:Blades 1,high quality 2,cheap price 3,customized high quality harvester blade: 1) Material: 65Mn (or T9)2) Teeth: Pressing or Milling3 ... .4) Wide variety of sections to fit most applications, smooth, top serrated and under serrated.5) Hardness: 50-55 HRC, Induction ... : Standard export11). Certificate: CE and ISO9001, Alibaba Trading Assessment high quality harvester blade