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Slategray Ninjato
Explore our Slategray Ninjato collection — straight-bladed Japanese swords finished in a distinctive slate gray aesthetic. Each piece is hand-forged with high-quality steel, fitted with full-tang construction, and finished with carefully matched fittings for an authentic display presence. Every order ships with free shipping and a hassle-free return policy.
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209.00 USD
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Frequently Asked Questions
What makes a ninjato different from a katana?
The most immediate difference is blade geometry. A katana features a curved, single-edged blade designed around drawing cuts from a curved arc, while a ninjato has a straight blade that produces a different visual profile and handling balance. Ninjato also tend to be shorter overall, typically closer in length to a wakizashi than a full-length katana. The tsuba on a ninjato is traditionally square rather than round, and the scabbard often has a flat-tipped end. These design elements give the ninjato its own distinct identity among Japanese sword forms, making it a compelling addition for collectors who already own curved blades and want to diversify their display.
What type of steel is used in these slategray ninjato?
The ninjato in this collection are forged from high manganese steel, a carbon-rich alloy valued for its combination of hardness and resilience. High manganese steel typically contains around 0.65–0.80% carbon along with elevated manganese content, which improves the grain structure and gives the blade good edge retention without becoming overly brittle. After forging, each blade undergoes a differential or through-hardening heat treatment process depending on the specific model. For collectors who want to compare material characteristics, our 1095 Carbon Steel Ninjato series uses a higher-carbon formulation that offers a different hardness profile and patina behavior over time.
How should I maintain and store a slategray ninjato?
Carbon steel blades require periodic care to prevent surface oxidation. Apply a thin layer of choji oil or light mineral oil along the blade every few weeks, or more frequently in humid environments. Use a soft, lint-free cloth and always wipe in one direction from spine to edge. Store the ninjato in its scabbard in a horizontal position on a sword stand, ideally in a climate-controlled room with relative humidity below 55%. Avoid displaying the piece in direct sunlight, which can fade the tsuka-ito wrapping and dry out the wood of the saya over time. If fingerprints land on the blade, clean them promptly since skin oils can etch carbon steel within days.
Is the full-tang construction visible on these swords?
On most models in this collection, the full-tang construction is concealed beneath the tsuka wrapping and handle fittings, which is consistent with traditional Japanese sword assembly. However, the tang runs the full length of the handle and is secured with mekugi pins through drilled holes in the nakago. You can verify the full-tang build by carefully removing the mekugi and sliding the handle off, which also reveals any file marks or signatures on the tang. This construction method ensures the blade and handle function as a single structural unit, which contributes to balanced weight distribution and long-term durability as a collectible piece.
Who typically collects ninjato swords?
Ninjato appeal to a broad range of collectors. Japanese sword enthusiasts often add them to round out a display that already includes katana and wakizashi, since the straight blade creates a striking visual contrast. Historical replica collectors appreciate the ninjato for its association with covert warrior traditions in Japanese lore. The slategray finish in particular attracts collectors with a modern or minimalist aesthetic sensibility, since the muted tones integrate well into contemporary interior design. They also make thoughtful gifts for anyone interested in Japanese culture, martial arts history, or edged art, offering a distinctive piece that stands apart from the more commonly gifted katana.
Customer Reviews
Samantha
Texas, United States
Another absolute stunning piece of art. I will be ordering another one in a couple weeks. The work is beautiful.
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Ninjato Straight Sword High Manganese Steel Full Tang with Warrior Engraving - Black-Red Handle |
Thaddeous Gibbs
Texas, United States
Nice sword but wrong case for it and it's stuck inside it
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Ninjato Straight Sword High Manganese Steel Full Tang with Warrior Engraving - Black-Red Handle |
Cara Farr
Oregon, United States
I was impressed with how quickly my order passed through customs and landed on my doorstep. We had a tight timeline for our son’s birthday. It arrived in time! He was thrilled. It is beautifully crafted.
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Manganese Steel Ninjato with Dragon Head Handle, Engraved Blade & Black Lion Tsuba |
Gerald Fisher
Florida, United States
They have a great selection. Website was easy to use. Sword arrived on time. Very sharp and excellent craftmanship. Super pleased and will be doing more business with TRUEKATANA. I will also recommend them to friends and family.
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Manganese Steel Ninjato with Dragon Head Handle, Engraved Blade & Black Lion Tsuba |
Cole Brady
Illinois, United States
Sword came out amazing, wasn’t quite as sharp as “battle ready” makes it sound. But it looks exactly as shown in the photos and I am more than pleased considering the price tag!
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Manganese Steel Ninjato with Crackle-Pattern Gray Saya in Black-White Koshirae |
