Produce flat surfaces on waterstones of all grit sizes with Norton Flattening Stones. The silicon carbide abrasive promotes maximum cutting for fast results while the flat shape & hard bond effectively flatten. These stones are constructed with diagonal grooves, allowing for the easy removal of swarf.

From the Manufacturer:

   Norton Sharpening Stones are made of the highest quality materials & are unequaled for long sharpening life, maintenance of shape & smooth cut.