Naniwa S2-450 Super Stone 5000 Grit Japanese Whetstone Knife Sharpener It has a proven bayonet

It has a proven bayonet bolt-action mechanism and a machined solid brass body

It's slim in design only

Best for heavy duty use

this knife feels like the shifter in a sports car

It has got a lower guard branch to protect the hand from accidental cuts

Naniwa S2-450 Super Stone 5000 Grit Japanese Whetstone Knife Sharpener It has a proven bayonetNaniwa's Super Stone is their high end whetstone manufactured in Japan under thorough quality control using high grade materials. 5000 Grit 210 x 70 x 20 mm Instructions: Splash stone with water before sharpening and continue to do so when sharpening. Naniwa Super Stones do not need soaking as they have tightly resin bonded particles, making them more durable and effective than other makes. Made in Japan