... ,P20,K30 etc It can sharpen the flat blade of plastic crushers, blade material can be,SKH51,SKD11,SKS7,SK2,Cr12Mov ... ,YG8,YT15,P20,K30 etc(1)Blade sharpening machine MD600 model(2)working table size(L*W*H) 1400*350*700 ... (L,W,H) 1600mm*800mm*1500mm knife sharpening machine of plastic crusher