Specification AgeRangeDescription : Adult Brand : Extrema Ratio BulletPoint1 : ✅ Premium Böhler N690 steel blade, cryogenically hardened and tempered to 58 HRC for exceptional durability and edge retention. BulletPoint2 : ✅ Fixed blade design with full tang construction ensures superior strength and reliability during intense use. BulletPoint3 : ✅ Burnished blade finish minimizes glare and adds corrosion resistance, ideal for marine or low-visibility environments. BulletPoint4 : ✅ Integrated oval cut-out (Asola) reduces weight and adds versatility for specialized operations. BulletPoint5 : ✅ Partially serrated edge, perfect for cutting ropes, cords, and fibrous materials with efficiency and precision. CareInstructions : Hand Wash Only Color : Black CustomerPackageType : Standard Packaging DsaResponsiblePartyAddress : info@extremaratio.com FabricType : Paper HandOrientation : Ambidextrous IncludedComponents1 : Sheath IncludedComponents2 : Storage Case IncludedComponents3 : Accessories ItemLength : 11.7 inches ItemName : Extrema Ratio – Ultramarine with Asola (BLACK), Fixed Blade Knife, Böhler N690 steel hardened to 58 HRC, burnished blade finish, full tang, slot for lanyard or safety cord, dive-ready sheath ItemPackageDimensions_Height : 3.39 inches ItemPackageDimensions_Length : 13.78 inches ItemPackageDimensions_Width : 13.78 inches ItemPackageQuantity : 1 ItemTypeKeyword : fixed-blade-tool-knives Manufacturer : Extrema Ratio ModelName : Ultramarine (BLACK) ModelNumber : 04.1000.0320/BLK PackageLevel : unit PartNumber : 04.1000.0320/BLK ProductDescription : The Extrema Ratio Ultramarine with Asola is a premium fixed blade knife, specifically designed for demanding outdoor and underwater scenarios. Developed in collaboration with expert professionals, this knife stands out for its unparalleled strength, precision craftsmanship, and exceptional reliability. The full tang blade is crafted from Böhler N690 stainless steel, vacuum heat-treated and cryogenically hardened to a hardness of 58 HRC. It features a partially serrated edge, ideal for cutting ropes and fibers with ease, and a robust drop-point tip designed for maximum versatility. The blade's burnished finish minimizes light reflections and enhances corrosion resistance—an essential feature for marine and survival contexts. A large oval cut-out (Asola) reduces weight while providing functional support for specific operations. The handle is made of high-resistance synthetic material that ensures excellent grip even when wet or with gloves. Its ergonomic profile reduces fatigue during prolonged use and offers secure control in all conditions. A built-in glass breaker and lanyard hole extend the knife’s utility, while the included sheath, compatible with standard gear, ensures safe and practical carry and fast access. Every Ultramarine with Asola knife is handcrafted in Italy by skilled artisans, reflecting a tradition of precision, passion, and mechanical excellence. The blade design and structural integrity are ideal for professionals, enthusiasts, and collectors seeking a dependable, high-performance cutting tool without any spring-assisted or prohibited mechanisms. Proudly 100% made in Italy, each knife embodies meticulous craftsmanship, durability, and timeless design, meeting the highest standards of quality and functionality. ProductSiteLaunchDate : 2025-03-31T07:21:58.311Z RecommendedUsesForProduct1 : Bushcrafting RecommendedUsesForProduct2 : Camping RecommendedUsesForProduct3 : Carving RecommendedUsesForProduct4 : Emergency RecommendedUsesForProduct5 : Fighting ShipsGlobally : 1 Style : Italian SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TargetGender : unisex TeamName : Work Hard, Retire Harder Theme : Tactical UnspscCode : 46100000