... diamond coating *Coarse side,320# *Fine side,600# *Stone size:2"x6". *Ideal for knives,scissors etc. LX-30070E,Double sided diamond whetstone ... sheet with double sided diamond coating.*ABS base,beauty and strong.Colors can be as your requirement*Coarse side:320#.*Fine side:600 ... ,scissors etc.Packing,Blister and cardPacking DecQua /ctn G.W. Double side diamond whetstone 50pcs 11KG