EXTREMA RATIO RESOLZA KNIFE BLACK
Discover the legend reborn with the Extrema Ratio Resolza Knife Black — a masterful blend of tradition and modern precision tailored for those who demand both heritage and performance in a folding knife. The Resolza name, rooted deeply in Italian history, echoes the ancient Sardinian “resolza” — a razor-sharp companion trusted by island farmers and shepherds through centuries of daily toil and even battlefield valor. This iconic knife served the brave men of the Sassari Brigade in World War I, cementing its place as a symbol of resilience and practicality.
Extrema Ratio honors this timeless legend by crafting the Resolza with uncompromising quality and thoughtful innovation. Retaining authentic proportions, the knife features a perfectly balanced 4.8-inch blade forged from premium BöHLER N690 steel, delivering exceptional edge retention and corrosion resistance with a robust 58 HRC hardness rating. Unlike traditional versions, the Resolza’s blade boasts a sleek, burnished finish and a razor-sharp edge designed for swift, dependable cutting in every situation.
The redesigned handle brings modern ergonomic excellence to this classic design, crafted from durable, anodized Anticorodal aluminum that ensures a solid grip and lightweight feel. Safety is never overlooked; the inclusion of a smooth blade-locking mechanism enhances security and confidence during use, elevating the Resolza beyond a simple tool to a trusted partner on your adventures.
Whether you’re a collector drawn to its storied past or a practical user seeking rugged reliability, the Extrema Ratio Resolza Knife Black blends history, craftsmanship, and innovation seamlessly. Its compact size, at just 173mm overall length and weighing a mere 36 grams, makes it an ideal everyday carry piece — ready to meet the demands of modern explorers, craftsmen, and outdoor enthusiasts alike.
Unlock the spirit of Sardinia’s timeless blade, sharpened and refined by Extrema Ratio’s commitment to excellence.
Key Features
- Heritage-Inspired Design: Reflects centuries-old Sardinian tradition with authentic dimensions.
- Premium BöHLER N690 Steel Blade: Razor-sharp, corrosion-resistant, and ultra-durable.
- Compact & Lightweight: Perfect for everyday carry at only 36 grams and 173mm total length.
- Ergonomic Handle: Anodized Anticorodal aluminum ensures secure grip and comfort.
- Blade-Locking Mechanism: Enhanced safety for worry-free use in any situation.
- Sleek Burnished Finish: Tactical look with smooth MIL-C-13924 burnishing enhancing durability.
Specifications
- Blade Length: 79 mm (4.8 inches)
- Overall Length: 173 mm
- Blade Thickness: 3 mm
- Blade Material: BöHLER N690 Steel, 58 HRC
- Blade Finish: MIL-C-13924 Burnishing (Flat grind)
- Handle Material: Anticorodal Anodized Aluminum
- Weight: 36 g
Experience the perfect fusion of history, style, and cutting-edge craftsmanship with the Extrema Ratio Resolza Knife Black — a blade as fierce and reliable as the warriors who carried its ancestors into battle.












