--- product_id: 682478959 title: "Extrema Ratio LKU01 Urban (Dark) Folding Knife, Bohler N690 Steel, 58 HRC, Premium EDC Tool, Made in Italy" brand: "extrema ratio" price: "$527.58" currency: USD in_stock: true category: "Extrema Ratio" url: https://www.desertcart.us/products/682478959-extrema-ratio-lku01-urban-dark-folding-knife-bohler-n690-steel store_origin: US region: United States of America --- # 58 HRC Bohler N690 Steel Blade Quick Release Mechanism for instant access Handcrafted in Italy with premium materials Extrema Ratio LKU01 Urban (Dark) Folding Knife, Bohler N690 Steel, 58 HRC, Premium EDC Tool, Made in Italy **Brand:** extrema ratio **Price:** $527.58 **Availability:** ✅ In Stock ## Summary > 🗡️ Elevate your EDC game with Italian precision and unstoppable edge. ## Quick Answers - **What is this?** Extrema Ratio LKU01 Urban (Dark) Folding Knife, Bohler N690 Steel, 58 HRC, Premium EDC Tool, Made in Italy by extrema ratio - **How much does it cost?** $527.58 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/682478959-extrema-ratio-lku01-urban-dark-folding-knife-bohler-n690-steel) ## Best For - extrema ratio enthusiasts ## Why This Product - Trusted extrema ratio brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Edge that Endures:** Premium Böhler N690 steel hardened to 58 HRC ensures razor-sharp precision and lasting edge retention for your daily grind. - • **Effortless Access:** Quick release mechanism engineered for smooth, one-handed deployment—because every second counts in your fast-paced life. - • **Lifetime Confidence:** Backed by a global lifetime warranty, this knife is built to be your reliable companion through every adventure and challenge. - • **Ergonomic Excellence:** Lightweight anodized aluminum handle with contoured grip offers unmatched comfort and control during extended use. - • **Italian Craftsmanship:** Meticulously handcrafted in Italy, blending 30 years of tradition with cutting-edge innovation for a tool that’s as stylish as it is functional. ## Overview The Extrema Ratio LKU01 Urban Folding Knife features a 3.94-inch Böhler N690 steel blade hardened to 58 HRC, housed in a lightweight anodized aluminum handle with ergonomic design. Handcrafted in Italy, it offers a quick release mechanism for rapid deployment and comes with a lifetime warranty, making it a premium, durable everyday carry tool for professionals and outdoor enthusiasts alike. ## Description desertcart.com : Extrema Ratio LKU01 Urban (Dark) Folding Knife, Bohler N690 Steel, 58 HRC, Premium EDC Tool, Made in Italy : Sports & Outdoors ## Features - Bohler N690 Steel Blade: High-performance stainless steel hardened to 58 HRC for daily edge retention. - Burnished black finish: gives an elegant and sophisticated aesthetic. - Lightweight Aluminum Handle: Durable and contoured for a secure and natural grip during prolonged use. - Anodized Coating: Protects the handle from wear, maintaining its functionality and look over time. - Quick Release Mechanism: Engineered for easy opening and accessibility in various daily scenarios. - Handcrafted in Italy: Each component is meticulously selected and assembled by expert Italian artisans. - Everyday Extraordinary: Designed for individuals who demand elite quality in their daily utility tools. - Ergonomic Stability: Balanced for precision handling and control in a variety of non-combative tasks. - Innovation & Tradition: Merging advanced materials with thirty years of professional craftsmanship. - Lifetime Warranty: A global promise of excellence that ensures your EDC tool is built to last a lifetime. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DMPMYX4L | | Age Range Description | Adult | | Best Sellers Rank | #686,312 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2,397 in Camping Folding Knives | | Blade Length | 3.94 inches | | Blade Material | böhler N690 steel (58 HRC) | | Blade Shape | Spear Point | | Brand Name | Extrema Ratio | | Color | Urban Dark | | Customer Package Type | Standard Packaging | | Customer Reviews | 4.9 4.9 out of 5 stars (10) | | Hand Orientation | Ambidextrous | | Handle Material | Aluminum, Anticordal Anodized | | Included Components | Pocket Clip | | Item Length | 8.78 inches | | Item Weight | 4.33 ounces | | Manufacturer | Extrema Ratio | | Model Name | LKU01 (Urban Dark) | | Model Number | 04.1000.0243/U/BLK-BLK | | Number of Items | 1 | | Part Number | 04.1000.0243 | | Product Care Instructions | Hand Wash Only | | Recommended Uses For Product | Bushcrafting, Camping, Emergency, Fishing, Hiking, Hunting, Utility | | Reusability | Reusable | | Size | 3.9" | | Special Features | Ergonomic Handle, Reversible | | Style | Italian | | Theme | Tactical | | Unit Count | 1 Count | ## Product Details - **Age Range (Description):** Adult - **Blade Material:** böhler N690 steel (58 HRC) - **Brand:** Extrema Ratio - **Color:** Urban Dark - **Handle Material:** Aluminum, Anticordal Anodized - **Included Components:** Pocket Clip - **Model Name:** LKU01 (Urban Dark) - **Recommended Uses For Product:** Bushcrafting, Camping, Emergency, Fishing, Hiking, Hunting, Utility - **Special Feature:** Ergonomic Handle, Reversible - **Style:** Italian ## Images ![Extrema Ratio LKU01 Urban (Dark) Folding Knife, Bohler N690 Steel, 58 HRC, Premium EDC Tool, Made in Italy - Image 1](https://m.media-amazon.com/images/I/51nxl4d1TbL.jpg) ![Extrema Ratio LKU01 Urban (Dark) Folding Knife, Bohler N690 Steel, 58 HRC, Premium EDC Tool, Made in Italy - Image 2](https://m.media-amazon.com/images/I/518N1UGOrxL.jpg) ![Extrema Ratio LKU01 Urban (Dark) Folding Knife, Bohler N690 Steel, 58 HRC, Premium EDC Tool, Made in Italy - Image 3](https://m.media-amazon.com/images/I/71mB8Tod-tL.jpg) ![Extrema Ratio LKU01 Urban (Dark) Folding Knife, Bohler N690 Steel, 58 HRC, Premium EDC Tool, Made in Italy - Image 4](https://m.media-amazon.com/images/I/71eIEE-TmtL.jpg) ![Extrema Ratio LKU01 Urban (Dark) Folding Knife, Bohler N690 Steel, 58 HRC, Premium EDC Tool, Made in Italy - Image 5](https://m.media-amazon.com/images/I/71mPh9o95QL.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - Extrema Ratio - LKU01 (Urban Dark), Böhler N690 Steel Blade 58 HRC, Black Burnished Finish, Smooth Aluminum Handle, Compact Design, Italian Craftsmanship - KNIFE PIVOT LUBE Original Knife Oil for Blades, Synthetic Pocket Knife Lubricant, Knife Honing Oil for Cleaning Knives, Premium Knife Oil Lubricant for Blade Care, Precision Knife Oiler Bottle (10ml) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/682478959-extrema-ratio-lku01-urban-dark-folding-knife-bohler-n690-steel](https://www.desertcart.us/products/682478959-extrema-ratio-lku01-urban-dark-folding-knife-bohler-n690-steel) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-05*