The Ronin is a long, ultra-thin slicing knife built for precision above all else. Its extended blade length allows you to slice proteins in a single, smooth motion - perfect for carving roasts, slicing brisket, trimming fat, and creating clean, paper-thin cuts without tearing. The narrow profile reduces drag, giving you maximum control and uniform results every time. Hand-forged from high-carbon steel and lightweight in hand, the Ronin is ideal for cooks who want clean presentation, accuracy, and effortless slicing on both raw and cooked meats.
Additional Details
Handle Length: 5.2 inches / 13.2 cm Blade Length: 11.1 inches / 28.19 cm Knife Length: 16.3 inches / 41.40 cm Weight: 0.58 lb / 264 g
*All Coolina knives are custom-made, so they may slightly vary in size.
Handmade high-carbon steel
Each Coolina blade is hand forged using a 600-year-old Serbian technique — repeated heating and hammering that aligns the steel for strength, balance, and edge retention.
The result? A high-carbon steel blade that holds a razor-sharp edge longer than the competition, feels naturally balanced in hand, and cuts cleaner over time.
Most brands mass-produce their knives, compromising on feel, weight, and balance. At Coolina, there are no shortcuts — just fire, steel, and centuries of craftsmanship behind every blade. Professional, handmade performance with the signature badass Coolina look.
Features
High-carbon steel blade for exceptional sharpness and durability
Handmade construction for superior quality and performance
Full tang design for ideal weight and balance
Ergonomic wooden handle that fits your hand like a glove
Signature badass Coolina style that sets us apart
Care & use
Cleaning Because these knives are made from high-carbon steel, they should always be washed by hand immediately after use. Carefully wash, then dry the knife completely before storing to prevent moisture from remaining on the blade. Never put Coolina knives in the dishwasher.
Oiling Our knives come pre-oiled, but after cleaning and drying, we recommend lightly oiling the blade. You can use our mineral oil or any food-safe oil of your choice. Regular oiling helps protect the blade and keeps your knife performing at its best.
Sharpening Our knives come razor sharp right out of the box and will stay sharp for months. If you want to keep them as sharp as possible, we recommend using our whetstone.
Lifetime warranty
Coolina stands behind the quality of our knives. Our Limited Lifetime Craftsmanship Warranty covers defects in materials and workmanship for as long as the original purchaser owns the product.
If your knife is found to have a qualifying defect, we will replace it at no charge. This warranty does not cover normal wear and tear, misuse, or damage outside of craftsmanship defects. Please refer to our Protection Program Terms for full details and exclusions.
Our knives look absolutely badass while delivering professional, handmade quality.
Badass design
Viking-inspired blades you won’t find anywhere else. Unique, bold, and absolutely unmissable without compromise.
Razor Sharp Blade
Experience effortless cuts that feel like slicing through anything like butter with Coolina. The high carbon steel blade holds its edge, staying sharper for longer.
Perfect Weight & Balance
The steel runs through the entire handle, giving the knife a solid, balanced feel in your hand. The weight is intentional, making it easy to control and letting the knife do the work for you.
Built to Last
Backed by a lifetime warranty you’ll likely never have to use, our knives are built tough and extremely durable. Go ahead and put them to the test — they’re practically indestructible.
Over 1 million kitchen warriors
Customer Reviews
Overall rating: 4.9 / 5 from 232 reviews.
The Ronin is a bad ass slicing knife. Very sharp and good quality. But make sure you do hand wash and dry and reapply food grade oil back to the blades and handle after each use. Unfortunately their claim that they’re made in the USA and hand forged, they’re actually mass produced in China but that didn’t stop me from ordering them. They are good quality knives. Take care of your knives and they’ll take care of you. I do recommend them. Although, the free knife can be a duplicate of what you currently have so I got two that were duplicates so giving them to my dad works good too. They market them as hand forged and made in USA even tho they lie about it hahaha they’re good knives. Just like that phone we use or appliances we owns. Will buy more.
I've lost count of how many knives I've ordered from Coolina. I've given them as gifts to several of my friends and family members and they have all been so greatful to have them, and commented that they use them every day and the knives have become their go to knives in their kitchens. We live in Alaska and game meat is a staple in so many households which is what made me interested in my original purchase. They are wonderful and I would highly recommend them for any households.
I’m extremely pleased with the quality and craftsmanship. The knife exceeded my expectations and performs exactly as advertised. I highly recommend Coolina knives to anyone looking to upgrade their kitchen knife collection or searching for a premium gift option.
Love this awesome set of knives! Really needed knives that properly work and man these things truly cut and are excellent workhorses for any kitchen task. A bit pricier than I would ask for, but how can you argue with this quality that will last multiple years if not decades. It's like a pair of glasses, cost a bit to get real good ones, but they will definitely be worth it and last you a long while!
These knives are definitely better than expected and im ordering the rest to complete the set! Thanks guys customer service is great to 1 knife got forgotten in the order and they were quick to get it out to me next day fantastic knives you will not be disappointed
Love it! The Ronin sliced through my eye of round easily which enabled me to get the nice thin slices that I desired. I look forward to years and years of use.
When the Ronin dropped my first thought was "Oh no! I don't have room on my magnetic board!" But it's such a beautiful knife and I had to have it! Thanks to it's slim profile I was able to squeeze it in with my other Coolina knives! Sleek and sharp! A fine addition to my fabulous collection! 🤘
Excellent addition to our kitchen. I made 5 cutting boards for our extended family last year, and sent Coolina knives with each one. Family loves them. I am a repeat offender, obviously, having bought all these knives and keeping the ones shown on the Walnut knife rack
I am listing all my old Calphalon Katana series on marketplace as we speak. They are VG1 Damascus steel. That speaks pretty good for these products, I think.
I've been looking for a knife like this style, Japanese steel was on the menu but I saw this one and went for it. I love this knife, nice weight and sharp as hell. Well done Coolina !
Needed longer than the other two knives I purchase from you guys. I mean they did well but not long enough to cut even so when I seen this beautiful knife I had to have it. Haven’t got to fully appreciate it yet but soon. You guys make the best knifes and I appreciate your innovation keep up the great work.
Tony G
I made some sandwiches for us. Used the Ronin to cut those. When I got home from work I used the Gator to cut up some steaks and it worked great. Wasabi and soy for dipping sauce.
I used the Ronin for the first time the other night. Sliced a 6lb prime rib. Did several thin slices for those of us who don’t or can’t eat a thick slice and did several thicker slices. Worked great. Very little effort.
Highly recommended.