flate blades length: 650mm; blade material can be:SKH51,SKD11,SKS7,SK2,Cr12Mov,H13, ... K30 etc It can sharpen the flat blade of plastic crushers, blade material can be,SKH51,SKD11,SKS7,SK2,Cr12Mov, ... H) 1400*350*700(3) maxi length of blade 650(4)length of guide 1100(5)sharpening method horizontal reciprocating ... ,3KW, synchronous speed 3000r/min(8)line speed of grinding wheel 22m/s(9)pump power and type ...