Naniwa P-308 Professional Stone (Chosera) 800 Grit Japanese Whetstone Knife Sharpener and barrel-shaped grooves on the

and barrel-shaped grooves on the hilt which both help user properly orient the blade in the dark and improve user’s grip in twisting movements (“screwdriver” effect)

A washer with caged ball bearings surrounds the pivot and makes opening the knife nearly frictionless

Blade Material: CPM 20CV

The serrations on the blade back cut through foods with tougher exteriors

With its unique hammered finish

Naniwa P-308 Professional Stone (Chosera) 800 Grit Japanese Whetstone Knife Sharpener and barrel-shaped grooves on theNaniwa's Professional Stone is their highest grade stone and the overseas model of their "Chosera" stone. 800 Grit 210 x 70 x 20 mm Instructions: Splash stone with water before sharpening and continue to do so when sharpening. Naniwa Professional Stones do not need soaking as they have tightly resin bonded particles, making them more durable and effective than other makes. Made in Japan