Shapton Rock Star Sharpening Stone #4000 210mm x 70mm x 25mmShapton Shapton, manufacturer of Japanese Waterstones from Nabatame, Tochigi province, is famous for their durable and hard sharpening stones. Their stones tend to stay flat longer than other brands. Specifications: Knife Type: Sharpening Stone

Size: 210 x 75 x 65mm

Width:18mm (0

Weight: 353g (12

Blade Height: 260mm (10

is famous for their durable and hard sharpening stones

HRC: 61-62

Blade Thickness: 8mm (0

They are one of the most respectable sharpening stone manufacturers based in Matsunaga

it’s as if one is sharpening on a Sun Tiger from Matsunaga stone with #240 grit

Knife Type: Kiritsuke Nakiri

Weight: 48g (1

Shigeki Tanaka has gained his knife-making skill through training in Takefu