










OOU® Black Shark Series – 15-Piece High Carbon Stainless Steel Knife Set with Walnut Wood Block
OOU Knives – Precision Crafted for Mastery
OOU Knife Set is made of German 1.4116 steel, it has strong resistance to stain and rust, the hardness reaches up to 56-58 HRC, and 4 sections sharpening method which combined with the skills from Japan and Germany makes the knife extremely sharp with a cutting angle less than 16 degrees and sturdy stage by stage. Cutting everything like butter!

The Details
The OOU Knife Set is forged using traditional handcrafted techniques, with a core of high-carbon stainless steel meticulously folded and hammered by master bladesmiths. This process creates a blade with a dense, dragon-scale-like structure, achieving a hardness of 56-58 HRC—combining the resilience of a samurai sword with the precision of German engineering.
Patented BO Oxidation Surface suits an fantastic black oxide layer on OOU knife block set for true anti-rusting. Different from other black knives in the market, they may unhealthy and the black coating may chip off. All OOU Knives are safe for health and the black oxide layer will never be chipped off.
OOU Knife Set is made of high carbon stainless steel, it has strong resistance to stain and rust, the hardness reaches up to 56-58 HRC, and 4 sections sharpening method which combined with the skills from Japan and Germany makes the knife extremely sharp with a cutting angle less than 16 degrees and sturdy stage by stage.
Feature | OOU® Black Shark Series | Regular Knives |
---|---|---|
Blade Hardness | High-carbon stainless steel (56–58 HRC) Rust-resistant & stays sharp |
Basic stainless steel (48–50 HRC) Rusts easily, dulls quickly |
Blade Coating | BO oxidation surface Scratch-resistant & chip-free |
Basic black coating Peels off easily, may affect food safety |
Sharpness | 4-stage precision grinding 16° ultra-sharp edge |
Standard grinding Wider edge angle, rough cutting |
Construction | One-piece forged body Waterproof, ergonomic & hygienic |
Welded or riveted Holds moisture, causes hand fatigue |
Set Configuration | 15-piece complete set Chef knife, santoku, bread, steak knives, shears & sharpener |
Basic 3 or 5-piece sets Limited functionality |
Best For | Pro chefs & advanced home kitchens Perfect for daily high-frequency use |
Beginners Basic daily prep work |
Maintenance | Rustproof & low-maintenance Hand wash & dry |
Prone to rust Requires frequent drying & care |
Durability | 5–10 years lifespan Backed by lifetime warranty |
1–2 years typical use Dulls or breaks easily |
Value | $99 per set Includes block, sharpener & full warranty |
$159 per set No block, limited 1-year warranty |
Gift-Ready | 🎁🎁🎁🎁🎁 Perfect for weddings, housewarmings & holidays |
🎁🎁 Basic entry-level gifting |