Kitchen knife KAI 6721D

The Wasabi Black Series originates from Japanese communal kitchens and combines functional durability, sharpness and minimalist design. The KAI 6721D kitchen knife features a 21 cm polished blade made from corrosion-resistant 6A/1K6 steel with a hardness of 56 (±1) HRC, and a water-resistant black plastic handle enhanced with bamboo powder for a comfortable, natural feel. This model is designed for continuous, uncomplicated use and offers a strong price-to-performance ratio.

Advantages

The 21 cm blade provides precise cutting performance and long-lasting edge retention thanks to corrosion-resistant 6A/1K6 steel. The slightly arched spine supports controlled rocking motions, while the water-resistant plastic handle reinforced with bamboo powder ensures a comfortable, slip-resistant grip and easy care.

Suitable for

• General kitchen preparation: slicing, dicing and chopping vegetables
• Preparing fruits and herbs
• Cutting boneless meats and filleting tasks
• Everyday use in home kitchens and professional environments

Key specifications

• Model: KAI 6721D (KAI WA6721D)
• Blade length: 21 cm
• Blade material: corrosion-resistant 6A/1K6 steel
• Hardness: 56 (±1) HRC
• Handle: water-resistant black plastic with bamboo powder

How to use

Hold the knife by the ergonomic handle and use the full length of the blade for smooth, even cuts. For chopping and dicing, use a controlled rocking motion supported by the slightly arched spine. Clean the knife after use with warm water and mild detergent, then dry immediately to maintain the blade condition.

Usage recommendations

Do not use the knife on frozen foods, bones or other very hard materials. Regular sharpening and proper storage will extend the knife’s performance and service life.