... blades grinder plates and blades. grinder plate, grinder knife Material: 420J2, 440 and othersForged or castedHardness: ... : 5#.8#.10#. 12#. 22#. 32#. 52#W/hub or wo hubHole diameter: 3-12MM china professional ... bladesgrinder plate, grinder knife, grinder blade. butcher knife, chef knife, slicing knifefishing knife, fish fillet knife, army knife, outdoor knife, camping knife, survival knifebread slicer ...