Naniwa S2-410 Super Stone 1000 Grit Japanese Whetstone Knife Sharpener Lynn Thompson designed it to

Lynn Thompson designed it to concentrate the full force of a crushing blow in a small area so that even a moderately powerful blow can be remarkably effective in disarming or otherwise incapacitating an attacker

To extract the blade

It has a place for up to 18 of your favorite folding knives

99" dual grind Tanto blade and full-size handle with butt pommel

TDS puts the detent ball on the front scale of the knife in an inset steel plate

Naniwa S2-410 Super Stone 1000 Grit Japanese Whetstone Knife Sharpener Lynn Thompson designed it toNaniwa's Super Stone is their high end whetstone manufactured in Japan under thorough quality control using high grade materials. 1000 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