The spirit of raijin the god of thunder is reflecting this beautiful line from Yu Kurosaki. The Cobalt Special Steel is a newer improved Stainless steel to help keep maintenance to a minimum.  

Petty knives are small all purpose knives, often used for detailed work

Yu Kurosaki is a master blacksmiths, well known in Japan for his production of innovative blade design. His passion for new design and commitment to superb craftsmanship combine to produce an amazing knife that is both beautiful and functional.

Specifications:

Knife Type: Petty

Steel Type: Cobalt Special Steel

HRC: 63-65 Blade

Use & Care

• Do not attempt to cut, hit or chop frozen products or bones. The blade can chip or break with improper use.
• Hand wash with warm water and towel dry. Never put the knife in a dishwasher, nor soak it in water. Ever!
• Use a sharpening stone to maintain the sharpness of the blade. 
• Do not use on hard melons or items that may torque the blade.
• Use a sharpening stone to maintain the sharpness of the blade.