Naniwa Silicon Carbide Powder Grit:Fine 180 Grit Balance rotational objects with a

Balance rotational objects with a center hole of 5/16" to 1-1/2" diameter (lawn mower blades

The large side features a 3/4" diameter and the small side features a 3/8" diameter

If you sharpen with water stones

and are compared to water stones of 8

Naniwa Silicon Carbide Powder Grit:Fine 180 Grit Balance rotational objects with aFor Extra Flattening Power Sometimes you need just a little more aggressiveness in your abrasive when flattening a water stone. If a water stone develops a deep scratch or blemish, it can take a great deal of effort to work it out on a flattening stone. That's where the Naniwa Silicon Carbide Powder comes in. Sprinkle some abrasive powder on your flattening stone before use. The extra grit will enhance the flattening stone's cutting power and remove