Naniwa P-306 Professional Stone (Chosera) 600 Grit Japanese Whetstone Knife Sharpener Steel H-1

Steel H-1

While copper is heftier than stainless steel or glass-filled nylon

In contrast to the traditional Japanese wood handle the black handle is not inserted but embraces the blade completely

The blade is supported by Spyderco’s Ball Bearing Lock™ mechanism

although they get worn

Naniwa P-306 Professional Stone (Chosera) 600 Grit Japanese Whetstone Knife Sharpener Steel H-1Naniwa's Professional Stone is their highest grade stone and the overseas model of their "Chosera" stone. 600 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