... 2 Material:65Mn 3 Hardness:45-50HRC lawn mower blade,knife,rotary blade Can be used in gof course or Greens ... Brand:Baroness2 Material:65Mn3 Hardness:45-50HRC lawn mower blade,knife,rotary bladeApplication:Professional in Producing the bedknife.We could design ... staff members.For the more datails,please click.Thank you. wholesale Bedknife,bottom blades,lawnmower knife