Katana Sword Cleaning Kit with Choji Oil, Uchiko Ball and Mekugi Hammer

Price: $14.95
(as of Oct 21, 2026 05:31:37 UTC – Details)

Product description

THE UNRIVALED INDUSTRY STANDARD FOR OVER 20 YEARS

WHY CHOOSE A 20-YEAR LEGACY? BECAUSE GENERIC KITS HAVEN’T EARNED YOUR TRUST.

In the crowded Amazon marketplace, new products launch every minute. Very few survive.

Our Katana Maintenance Kit is one of the rare survivors. For more than 20 years, it has held its position as the industry benchmark. This longevity isn’t accidental. It’s the result of one simple truth: It works.

Don’t gamble your high-carbon steel sword—an investment of time, money, and respect—on a “new listing” from an unproven seller. Those new kits are often assembled with generic, mass-produced oil and coarse papers. Ours is a specialized kit whose components are defined by a generation of verified performance. When you buy from us, you’re not testing a new product. You’re buying the definitive answer to sword preservation.

The Power of Time:

20+ Years of Positive Feedback: Thousands of martial artists cannot be wrong.Fixed Formula: We do not cut corners. Our materials are the same premium grade as they were in 2006.Immediate Reliability: Open the box and use it with total confidence. You are using the standard.

Preserve the Legacy of Your Blade

Preserve the Legacy of Your Blade

Owning a traditional Japanese sword is an honor, but it requires dedicated care to maintain its beauty, sharpness, and integrity over time. The Ace Martial Arts Supply Japanese Samurai Katana Sword Maintenance Cleaning Kit provides everything you need to clean, polish, and protect your carbon steel blades. Whether you are a dedicated martial artist, a collector, or an enthusiast, this kit ensures your katana remains in pristine, battle-ready condition for generations to come.

Traditional Tools for Authentic Care

Choji Oil for Protection

Specially formulated mineral oil mixed with clove oil. It creates a protective barrier on the high-carbon steel, preventing moisture buildup, oxidation, and rust from damaging your blade.

Uchiko Powder Ball

A traditional silk ball filled with finely ground polishing powder. Gently tapping this on the blade absorbs old oil and impurities, polishing the steel without scratching the delicate surface.

Mekugi-Nuki Brass Hammer

An essential tool for safely dismantling your sword. The small brass hammer and awl allow you to carefully remove the bamboo pegs (mekugi) from the handle (tsuka) for deep cleaning and inspection.

Prevent Rust and Maintain Perfection

High-carbon steel katanas are highly susceptible to rust if touched by bare hands or exposed to ambient humidity. Routine maintenance is non-negotiable.

This kit includes premium Nuguigami (cleaning paper) designed to wipe away old oil, debris, and uchiko powder without leaving lint or scratches. By following the traditional cleaning ritual—wiping, powdering, wiping again, and re-oiling—you actively prevent pitting and keep the blade’s hamon (temper line) visible and striking.

Futokoro-gami Sword Maintenance

Samurai sometimes held a piece of paper, often called kaishi or futokoro-gami, in their mouth or hands while cleaning or inspecting a sword. This practice, primarily used when caring for valuable, antique blades, aimed to prevent moisture from the breath or saliva from landing on the metal, preventing rust.

Purpose and Context

Preventing Damage: Moisture from a person’s breath can condense on the blade, creating rust on the delicate steel.Respect for the Blade: Beyond maintenance, holding paper in the mouth was a mark of respect for the sword as an object of art and history.Usage Context: While often seen in movies or demonstrations as a dramatic flourish, it is a practical measure for preserving high-value, aging, or historic swords.

Note: In traditional maintenance, a special paper called nuguigami is typically used, while for cleaning during combat or travel, a samurai might use kaishi paper or their sleeve to wipe the blade.

Everything You Need in One Elegant Kit

Store your maintenance tools in the included traditional carved wooden display box, keeping your gear organized and ready for your next cleaning session.

Complete Kit Includes:

1x Bottle of Choji Oil: Essential rust prevention.1x Uchiko Ball: Fine polishing powder.1x Mekugi-nuki: Solid brass hammer and awl for peg removal.1x Pack of Nuguigami: Traditional lint-free rice paper.1x Wooden Storage Box: Authentic, lightweight wooden box for safe storage.

Package Dimensions ‏ : ‎ 6.38 x 2.8 x 2.13 inches; 7.37 ounces
Item model number ‏ : ‎ 231-2
Date First Available ‏ : ‎ December 4, 2006
Manufacturer ‏ : ‎ Ace Martial Arts Supply
ASIN ‏ : ‎ B0009TNGQC
Best Sellers Rank: #13,360 in Musical Instruments (See Top 100 in Musical Instruments) #9 in Drum & Percussion Cleaning & Care
Customer Reviews: 4.5 4.5 out of 5 stars (3,058) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
This is a full Japanese sword cleaning kit with a traditional wooden storage box
This cleaning kit includes the mekugi-nuki, an uchiko ball, sword oil, cleaning cloth, and small storage container for storing Oiled cloth
A must have for all serious sword collectors
Customers find the cleaning kit effective and good value for money, with the powder ball working perfectly. The kit comes with all necessary items, though some wish for more cleaning cloths. The appearance receives mixed feedback, with some saying it looks excellent while others find it not as advertised. Several customers report issues with leakage, mentioning that more than half the contents spilled out.