Naniwa Advance　（Former Super Stone） 

 >Excellent Grinding Power 
A whetstone that can give you smooth polishing feeling. When sharpening one by one from coarse to super finishing stone of this series, you can get high quality shining polishing result. 

 >Achieve Good Sharpness 
When using the stone, touch feeling between knife and stones is distinctive. This can give you blunt knives to knives of good sharpness, knives of good sharpness to excellent sharpness. 

 >Splash-and-go Whetstone  

This stone is no needed to be soaked. Just apply water on the surface and it is ready to sharpen.