20pcs Set Diamond Whetstone Knife Sharpener For Edge Sharpener

10 different pieces of stone grain 80, 120, 200, 400, 500, 600, 800, 1000, 1500, 2000 GRAIN.The diamond stone is smooth, it uses a single crystal diamond, resistant to wear, long lasting.When polishing, choose 1000 1500 2000 grain if you grinding, 600-800 grain if you make coarse grinding, 80-500 grain.size:16 x 2.4 CmMaterial:Diamondcolour:blackPackage Contents:20 x WhetstoneOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.