With a coarse grit of 320, the Shapton Kuromaku Professional Ceramic Whetstone Blue-Black Stone brings dull blades back to life.  

FEATURES

• 320 Grit
• Coarse
• Blue storage case included also serves as stone holder
• Ideal for restoring blades, especially carbon-steel
• Always clean and dry stones before storage 
• Remove and discard foam protection before use. Do not store stone with foam.
• As with all water hones, Shapton water-stones require periodic re-flattening.
• NOTE: Shapton recommends pre-soaking stones only before the first use for a maximum of five minutes. After the first use, splash water as needed. They also suggest beginning with the side that does not contain printing however both sides can be used for sharpening.

MATERIALS

• Ceramic Whetstone
  

SPECS

• Working surface: 8.25 x 2.75 x 0.6” (210 x 70 x 15 mm)
  
• Case/holder: 8.7 x 8.7 x 1.4” (220 x 220 x 35 mm)
• Weight: approx. 500 g 

COUNTRY OF ORIGIN

Japan