Koyanagi Kurouchi 135 mm (5.3 in) Shirogami (White) #1 Double-Bevel

• Type: Koyanagi
• Finish: Kurouchi 
• Blade Length: 135 mm (5.3 in) 
• Construction: Hon-Warikomi
• Core Edge Steel: White (Shirogami) #1
• HRC (Rockwell Hardness): 60-61
• Handle: Magnolia 
• Bevel: Double-Bevel 
• Place of Origin: Tosa, Japan

A slim double-bevel Yanagi-type knife for sashimi. Shorter ones (6–13.5 cm) make an excellent substitute for petty knives.