SK carbon steel This Japanese steel is easy to manipulate. This type of steel is often used for tools, including knives. Just like many other types of carbon steel, it can be sharpened until razor-sharp. However, this steel is not corrosion-resistant. Comes with lanyard Brand Higonokami Colour brass Country of origin Japan Blade height 0.8 cm Blade length 3.8 cm Cutting edge length 3.8 cm Blade thickness 2.5 mm Closed length 6.4 cm Total length 9.6 cm Weight 15 g Note: other Higonokami for size comparison only