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Fixed Blade

KIRI DARK STONE

Name: KIRI DARK STONE
Brand: Extrema Ratio
SKU: 04.1000.0187
Price: 225.41 EUR
Availability: InStock

€225.41

Kiridashi is a type of Japanese knife, a cutting multipurpose tool. One of its peculiarities is the asymmetric bevel; only one of the two sides is grind while the other remains flat. Extrema Ratio has reinterpreted this traditional Japanese knife according to its style, giving it a more tactical look than the original.

Blade Finishing

SATIN
DARK STONE

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Accessories

BELT CLIP

04.5325.0020

€27.87

Accessory to attach the knife to your belt, available in black and desert.

Accessories

ULTICLIP SLIM 3.3

04.4100.0090

€11.89

The Ulticlip Slim 3.3 provides great retention and concealment. It has a dual slotted mounting area that allows for...

Description

KIRI features a particular tip designed to obtain a high penetration efficiency while maintaining its characteristic chisel grind.

Extrema Ratio KIRI is available in Dark Stone and Satin finish, both in Böhler N690 steel hardened to 58 HRC. The handle is made of two black anodized anticorodal aluminum scales. The pre-shaped Kydex sheath is equipped with metal eyelets for inserting a paracord, which also allow it to be attached to a M.O.L.L.E. system webbing. KIRI can be accessorised with the following options (sold separately):

BELT CLIP that allows you to attach the sheath to a belt. ULTICLIP SLIM 3.3 (we recommend at least two) that allows you to attach the sheath not only to a belt but also to pockets, trousers, jackets, shirts and t-shirts. Available in two versions, Dark Stone and Satin

Use

PROFESSIONAL OPERATIONAL DEPLOYMENT

Extrema Ratio develops knives engineered for real-world applications, where control, precision, and reliability are essential requirements. Every model is designed to ensure stable ergonomics, proper balance, and consistent performance, even during prolonged use. Use the tool strictly according to its technical function, avoiding improper use or stress beyond its intended scope. Mindful use preserves safety, efficiency, and longevity, keeping structural and operational characteristics of the product intact.

Want more details? Check the complete guide.

Care

ESSENTIAL ROUTINE MAINTENANCE

Regular maintenance is fundamental to preserving the efficiency, reliability, and lifespan of your product. After each use – especially in the presence of salt water, humidity, mud, or grease residues – rinse with fresh water, dry thoroughly, and apply a suitable lubricant to metal parts and moving mechanisms. Periodically inspect the inside of the sheath, removing sand, dust, or abrasive particles that could damage the blade finish when sheathing or unsheathing.

Want more information? Check the complete guide.

Warranty

OFFICIAL ASSISTANCE AND WARRANTY

Extrema Ratio knives are covered by a lifetime warranty covering defects in workmanship, materials, or treatments that compromise functionality. Sheaths are guaranteed for two years from the first documented purchase. Upon verification of a recognized defect, the product will be professionally repaired. If non-restorable, the tool will be replaced with an identical new product. Should the specific model be unavailable, it will be replaced with the most similar product in terms of technical features and overall value to ensure your complete satisfaction.

Want more details? Read our warranty information.