Naniwa Multi Stone 1000/3000 mv-510/530

The Naniwa Multi Stone 510/530 is a double sided combination whetstone with two different grits 1000 and 3000 (one for each side). This water stone has one side with a 1000 grit (red) for sharpening and another side with a 3000 grit (yellow) for honing and polishing the edge. This stone would be used from a blade that has lost effectiveness and needs to be sharpened. For very dull blades or blades in poor condition, another grinding stone must first be used. Water. 

Measurements: 185 x 65 x 30 mm.