八角形图案（手柄形状）
氧化膜
小刀
磷
动力锤
- Definition: A power hammer is a mechanical forging tool that delivers repeated high-impact blows to heated steel, greatly increasing efficiency and consistency in knife manufacturing compared to hand hammering.
- Details: Power hammers operate using compressed air, springs, or hydraulics to drive the hammer head. The force and speed can be adjusted, allowing blacksmiths to shape blades quickly and accuraty. In modern workshops, they are used to refine the steel’s structure, enhance hardness, and produce uniform blade shapes, while still retaining the core craftsmanship of forging.
- Comparison: Unlike hand hammering, which relies entirely on the craftsman’s physical strength and rhythm, power hammers provide greater force and speed, making them ideal for mass production or shaping larger billets. However, hand forging allows for more delicate adjustments and is often preferred for premium one-of-a-kind blades. In traditional Japanese smithing, some workshops integrate both methods, using power hammers for rough shaping and hand hammers for fine adjustments.
- Practical Use: In knife making, power hammers are particularly valuable during the initial forging stages, where efficiency and consistency are crucial. They are also used in producing other edged tools, such as axes and chisels. For high-end knives, power hammers reduce labor without sacrificing quality, provided finishing steps are performed by skilled hands.
- Cultural Notes: While power hammers represent modernization, many Japanese blacksmiths still emphasize the symbolic value of hand hammering as part of traditional craftsmanship. The blend of old and new techniques reflects Japan’s approach to preserving artisanal heritage while adopting innovations that sustain productivity.
粉末高速钢
- Definition: Powdered high-speed steel (HSS) is a premium steel material produced through powder metallurgy, renowned for its exceptional hardness, durability, and resistance to rust, making it highly suitable for advanced kitchen knives.
- Details: Manufactured by mixing, compressing, and sintering fine metal powders, this steel achieves an extremely dense and uniform grain structure. As a result, it offers high wear resistance, superior edge retention, and excellent corrosion resistance comparable to stainless steel. Its hardness, often exceeding HRC 65, provides razor-sharp performance but also makes sharpening more challenging.
- Comparison: Compared to conventional stainless steel, powdered high-speed steel delivers superior sharpness, longer-lasting edges, and finer carbide distribution, which enhances resilience at the cutting edge. However, stainless steel remains easier to sharpen and more affordable, making powdered HSS primarily a choice for premium and professional knives.
- Practical Use: Powdered high-speed steel is ideal for chefs and serious home cooks seeking long-lasting sharpness with minimal maintenance. It is particularly suited to professional kitchens where knives must withstand heavy, continuous use without frequent resharpening.
- Cultural Notes: In modern Japanese knife-making, powdered high-speed steel represents the fusion of advanced metallurgy with traditional craftsmanship. While artisans once relied solely on steels like Aogami or Shirogami, many now embrace powdered steels to meet the demands of global chefs who value cutting-edge performance alongside traditional Japanese forging.
Related websites
ZDP189
紫檀木
相关网站
日本刀柄指南 | KIREAJI
粗略锤击
粗磨刀石
锈
树脂粘合法
- Definition: The magnesia bonding method is a manufacturing technique for artificial whetstones that uses magnesia cement as a binder, producing stones with distinctive properties.
- Details: In this method, abrasive grains are mixed with magnesia cement (magnesium oxychloride), kneaded, and then hardened at room temperature without firing. The resulting stones absorb little water, allowing them to be used immediately without soaking. They provide strong grinding power, smooth sharpening performance, and are available in a wide range of grit levels. However, long-term soaking can damage the stone, and aging may lead to brittleness or cracks.
- Comparison: Unlike vitreous-bonded whetstones, which are fired at high temperatures, magnesia-bonded stones are dried at room temperature, giving them superior immediate usability but lower long-term durability. Compared to resinoid-bonded whetstones, they offer stronger sharpening power but are more vulnerable to prolonged water exposure.
- Practical Use: Magnesia-bonded whetstones are particularly popular as finishing stones due to their smooth sharpening feel. They are well suited for fine edge refinement but require careful handling, including thorough drying and proper storage, to ensure longevity.
- Cultural Note: In Japan’s knife-making and sharpening culture, magnesia-bonded stones are valued for their efficiency and refined sharpening touch. Professional chefs and sharpeners often select them when precision and speed are required, despite their relatively shorter lifespan compared to other bonded stones.
三条
三德
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其他类型的日本刀合集 | KIREAJI
沙耶
关
锐化
真义
硅
刀具中的硅是钢材中的合金元素，主要用于提高强度和耐用性。下面详细介绍硅的特性及其对刀具的影响。
硅的作用
- 提高强度：硅加入钢中可提高金属的强度。这提高了刀具承受刀刃冲击和压力的能力，从而使刀刃更耐用。
- 提高韧性：硅还能提高钢材的韧性，使刀片不易断裂或碎裂。这对于吸收使用过程中的压力尤为重要，确保刀片在苛刻的条件下经久耐用。
- 提高耐腐蚀性：硅与其他合金元素结合时，可提高耐腐蚀性。因此，用含硅钢制成的刀具不易生锈，维护起来也更方便。
对刀具的影响
- 切割性能增强：硅增强了刀具的切割能力，使其能够更顺畅地切割食材。这提高了厨房工作的效率。
- 成本效益高：硅是一种相对便宜的材料，因此是生产成本效益高且质量好的刀具的理想选择。这使制造商能够以更实惠的价格提供优质的刀具。
结论
硅是刀具钢材中的关键合金元素，可提高强度、韧性和耐腐蚀性。这些特性使刀具耐用、品质高，深受烹饪爱好者和专业厨师的好评。选择刀具时，值得考虑硅含量及其对刀片性能和寿命的影响。
单刃刀片
SK 材质
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Definition
SK Steel is a category of high-carbon steel widely used in Japanese knife manufacturing. It is particularly valued for its hardness, sharpness, and ease of sharpening, making it suitable for both professional and household use. -
Details
SK steel contains between 0.55% and 1.5% carbon, which gives it relatively high hardness. SK4, one of the most common types, typically reaches around HRC59 on the Rockwell scale. This provides excellent sharpness while maintaining good wear resistance. Another notable advantage is its ease of sharpening, which allows users to maintain performance without specialized skill or equipment. -
Comparison
Compared to stainless steels, SK steel offers greater sharpness and edge retention but is more prone to rusting and requires regular maintenance. Within Japanese knife steels, SK steel is more affordable and easier to sharpen than premium options such as White Steel (Shirogami) or Blue Steel (Aogami), though it does not reach the same level of ultimate sharpness or edge longevity. -
Practical Use
SK steel is often used in versatile kitchen knives for everyday cooking, from cutting vegetables to preparing meat and fish. Its balance of sharpness, durability, and affordability makes it a popular choice for home-use knives as well as entry-level professional tools. Regular drying and oiling are important to prevent rust and extend the knife’s lifespan. -
Cultural Note
SK steel has played a key role in Japanese knife-making since the mid-20th century, especially in the postwar period when demand for durable, affordable household knives grew. It is sometimes informally referred to as “Japanese steel,” particularly in connection with SK4. Its long-standing use connects traditional Japanese craftsmanship with practical, accessible tools for modern kitchens.
不锈钢
不锈钢是一种合金，通过添加铬来提高抗锈性，而锈是钢的一大缺点。虽然不锈钢的锋利度一般不如钢，但它不仅防锈，而且坚固、耐碎裂，无需频繁磨刀就能保持锋利。它的吸引力在于易于操作，不需要太多的护理。不锈钢材料种类繁多，从价格适中的到高端的都有，其中一些材料与钢一样坚硬，同时易于操作且锋利。
< 日本刀材质 (碳钢、不锈钢) > 
- “碳钢”和“不锈钢”是刀具的主要材料
- “碳钢”是指铁的五种元素中碳含量为0.02-2.14%的钢。碳含量越高，材料越硬。铸铁也用于汽车零部件。在碳钢中添加10.5%以上的铬，就成为“不锈钢”。铬的添加提高了防锈能力。
冲压
零下处理
相关网站
零下处理
硫
硫在刀具和钢材的制造中起着重要作用。下面详细解释硫对刀具的影响以及其优缺点。
硫磺的特性和作用
- 提高机械加工性：硫加入钢中可提高机械加工性。具体来说，在 SUS303 等不锈钢中，添加硫可提高加工性，使该材料成为制造切削工具和刀具的理想材料。
- 钢材加工性能：硫可提高钢材的延展性，从而提高其加工时的成形性。这对于制造形状复杂的刀具非常有用。
- 耐腐蚀性：虽然硫本身不会引起腐蚀，但如果以适当的平衡添加，它可以提高机械加工性，而不会显著影响钢的耐腐蚀性。
硫磺的优点
- 高切削性能：添加硫的钢在高速切削过程中表现良好，提高了刀具和工具制造的效率。
- 均匀的表面处理：增强的可加工性可带来更一致的表面处理，从而可以生产具有均匀特性的高质量刀具。
- 降低成本：添加硫可减少加工时间和刀具磨损，从而节省生产过程中的成本。
硫磺的缺点
- 耐腐蚀性降低：如果硫含量过高，会降低钢的耐腐蚀性。这在高湿度环境中尤其令人担忧。
- 脆性增加：硫含量过高会使钢变脆，从而降低其强度。为避免此问题，添加正确比例的硫至关重要。
- 所需特殊处理：含硫的钢可能需要特殊的热处理和抛光技术，因为标准方法可能无效。
概括
硫是刀具和工具生产中的重要元素，可提高切削性能和可加工性。然而，过量的硫会对耐腐蚀性和强度产生负面影响。平衡硫含量对于在制造和最终使用中获得最佳性能至关重要，在选择刀具或生产过程中应考虑这种平衡。
筋引
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Definition
A Sujibiki knife is a specialized Japanese kitchen knife designed for slicing meat, trimming tendons, and preparing delicate cuts of fish. Its long, narrow blade enables smooth slicing motions that preserve the texture and flavor of ingredients. -
Details
Sujibiki knives typically range from 210mm to 300mm in length. The thin and narrow blade makes it easy to maneuver along tendons or fat layers with precision. Most are double-edged, allowing use by both right- and left-handed cooks. The slim profile also reduces friction, ensuring clean and uninterrupted slices. -
Comparison
Compared with Gyuto (chef’s knives), Sujibiki knives are narrower and thinner, optimized for slicing rather than chopping. While a Gyuto excels at versatile tasks, a Sujibiki is superior when working with large cuts of meat or when ultra-thin, consistent slices are required. Unlike Yanagiba, which is traditionally single-edged and used primarily for sashimi, Sujibiki offers more flexibility due to its double-edged construction. -
Practical Use
Sujibiki knives are highly effective for trimming tendons and fat, slicing roast beef or ham, and even handling sashimi preparation. The long blade allows a single pulling motion, minimizing damage to fibers and preserving juiciness. After use, careful washing, complete drying, and regular sharpening with a medium or finishing whetstone are recommended to maintain performance. -
Cultural Note
Sujibiki knives are widely appreciated by Japanese chefs for their role in Western-influenced cuisine, such as carving roasts, but they have also been adopted in traditional Japanese kitchens for precision tasks. Their balance of functionality and elegance has made them popular among both professionals and serious cooking enthusiasts.
合成磨刀石
- 定义：将磨料颗粒与粘合剂粘合在一起，烧制成固体块而制成的人造磨刀石，广泛用于磨刀。
- 详情：其制造工艺确保了均匀的结构，从而提供始终如一的磨砺性能。合成磨刀石提供多种粒度等级：粗砂（#220–#1000）用于修复缺口，中砂（#1000–#3000）用于日常磨砺，细砂（#4000+）用于精加工。
- 比较：与天然磨刀石相比，合成磨刀石性能可预测、更容易获得且成本更低，但可能缺乏高级天然磨刀石的独特手感和精细的加工能力。
- 实用性：合成磨刀石适合初学者使用，用途广泛且经济实惠。使用前，应先在水中浸泡 10-20 分钟，直至不再冒泡。刀具应以 15-20° 的角度进行磨刀，并保持恒定的压力。磨刀后，应将磨刀石冲洗干净、擦干并平放存放。合成磨刀石稳定性高，是家庭厨师和新手的理想选择，同时也是专业人士的实用工具。
凿金雕刻
指在菜刀上刻上名字或铭文的工序。顾名思义，用一种叫做“刻金”的横截面呈扁平状的金属棒在刀刃上刻上线条，以表达文字等信息。
玉钢
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Definition:
Tamahagane is a high-purity steel produced through Japan’s traditional tatara smelting method, historically used in Japanese swords and today valued in high-end kitchen knives. -
Details:
Containing about 1–1.5% carbon, tamahagane is known for its sharpness and durability. It is made by layering iron sand and charcoal in a clay furnace, where slow heating and reduction remove impurities. The resulting steel, refined further by forging, develops toughness and can display beautiful surface patterns. -
Comparison:
Unlike common stainless steel, tamahagane requires more maintenance, as it is prone to rust. However, it offers superior sharpness and edge retention. Compared with modern alloy steels, tamahagane is less uniform but prized for its traditional character and aesthetic qualities. -
Practical Use:
Knives made with tamahagane deliver exceptional cutting performance and retain their edge well, making them suitable for professionals and collectors. They demand regular care—cleaning, drying, and oiling—to prevent rust. -
Cultural Note:
Tamahagane is deeply tied to Japanese tradition, being the steel used in samurai swords for centuries. Today, it symbolizes both craftsmanship and cultural heritage, with tamahagane knives regarded as tools of artistry as much as function.
钛涂层
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Definition:
Titanium coating is a surface treatment applied to knife blades to improve hardness, wear resistance, and corrosion resistance. It is often used in both professional and consumer knives for enhanced performance and appearance. -
Details:
A titanium coating creates an extremely hard surface (typically 1700–2000 Hv), protecting the steel underneath from rust and wear. It also provides a smooth surface that resists food adhesion and often adds a distinctive golden or colored finish, combining practicality with visual appeal. -
Comparison:
Compared to uncoated carbon or stainless steel, titanium-coated knives retain sharpness longer and require less frequent maintenance. However, unlike uncoated blades, the coating can gradually wear away if improperly sharpened, meaning they demand more careful handling. -
Practical Use:
Titanium-coated knives are valued for their durability, ease of cleaning, and ability to resist rust in humid or acidic environments. They are particularly suited for chefs who want a long-lasting tool with low maintenance needs, though proper sharpening techniques must be followed to avoid damaging the coating. -
Cultural Note:
In Japan, titanium coating has been embraced not only for functionality but also for aesthetics, as the shimmering gold or colored finishes enhance the sense of prestige and artistry in high-end knives. It represents the fusion of modern technology with traditional cutlery craftsmanship.
韧性
钨
钨是刀具钢中添加的重要元素，尤其是在传统日本刀具和高端刀片中，可以提高刀具的性能。以下详细介绍了钨在刀具制造中的特点、作用和好处。
钨的特性
- 高硬度：钨是一种非常坚硬的金属，当加入钢中时，它会增加材料的整体硬度。这可以使刀刃更锋利、更耐用，即使长时间使用也能保持锋利。
- 耐磨性提高：含钨钢具有高耐磨性，使刀片更耐用，不易磨损。这一特性确保刀具即使频繁使用也能长时间保持有效。
- 硬化特性：钨有助于控制淬火（焼き入れ）时的温度，使钢材均匀硬化。这确保了刀片的最佳性能，增强了其切割能力。
钨在刀具中的作用
- 持久锋利：用含钨钢制成的刀具可长时间保持锋利。对于蓝钢等高品质钢材来说尤其如此，其中钨有助于保持刀刃锋利和提高切割效率。
- 防止崩裂：钨可增加钢材的韧性，有助于防止刀刃崩裂和断裂。因此，含钨的刀具不易损坏，更易于保养。
- 均衡性能：钨与铬、钼等其他元素结合，可实现高硬度和高弹性的均衡性能。这样可以打造既锋利又耐用的刀具，满足专业厨师和烹饪爱好者的需求。
刀具应用
- 蓝钢：蓝钢因含有钨而闻名，因此其锋利度和刀刃保持度都很高。这种材料通常是那些要求刀具具有持久性能的厨师的首选。
- 高端刀具：含钨刀具通常被归类为高端产品，因其出色的性能和耐用性而受到称赞。这些刀具深受专业厨师和烹饪爱好者的欢迎，他们欣赏其工艺和持久的锋利度。
概括
钨是刀具制造中的关键元素，可显著提高刀片的锋利度、耐用性和耐磨性。钨在高端刀具和传统日本刀片中尤其有价值，其特性得到充分利用，可制造出性能卓越、经久耐用的刀具。在选择刀具时了解钨的作用有助于确保您选择具有卓越切割能力和使用寿命的产品。
相关网站日本刀材质：碳钢与不锈钢 | KIREAJI
浦宿（后犁）
乌苏巴
公用钢
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Definition
Utility steel refers to pre-joined material made by rolling iron and steel together, eliminating the need for traditional forge-welding. It is widely used in modern knife manufacturing due to its efficiency and consistency. -
Details
Produced through hot or cold rolling processes, utility steel provides stable quality with minimal variation between batches. Because the material is already pre-joined, it streamlines production and reduces costs, while still offering sufficient durability and sharpness for kitchen knives. -
Comparison
Compared to forged knives, which are shaped and strengthened through repeated hammering, knives made from utility steel are stamped or blanked from rolled sheets. While forged knives are prized for their density and unique craftsmanship, utility steel allows for mass production at lower cost with consistent performance. -
Practical Use
Utility steel is commonly used in Western-style knives and stainless steel Japanese knives. It enables affordable, good-quality kitchen tools for both home and professional use. In some cases, additional forging steps are applied after rolling to further improve blade strength and cutting ability. -
Cultural Note
The rise of utility steel reflects the evolution of Japanese knife-making from purely artisanal methods toward industrial efficiency. While forged blades remain central to traditional craftsmanship, utility steel has broadened access to reliable kitchen knives worldwide, bridging tradition with modern technology.
钒
钒是添加到刀具和刀片钢中的一种元素，可显著提高切削刀具的性能。下面，我们将详细介绍钒在刀具中的特点、作用和好处。
钒的特性
- 硬度和耐磨性：钒在钢中以碳化钒的形式存在，具有极高的硬度。这提高了钢的耐磨性，确保刀具保持锋利的时间更长，并减少频繁磨刀的需要。
- 小碳化物颗粒：碳化钒形成非常小的颗粒，可增强钢材的韧性，同时提供高耐磨性。这使得刀具既坚固又能保持持久锋利的刀刃。
- 强度和耐用性：钒可提高钢材的强度，使刀具更耐用，更耐冲击和压力。即使在日常使用中，这也降低了刀具碎裂或断裂的可能性。
钒的作用
- 锋利度提高：含钒钢保持高锋利度，使切割任务更顺畅、更高效。这可使食物制备和呈现效果更好。
- 易于保养：含钒的刀具由于耐磨性优异，通常需要的保养较少。磨刀间隔时间延长，使刀具更易于保养。
- 耐腐蚀性：钒还有助于形成氧化层，增强钢材的耐腐蚀性。这使刀片更能抵御潮湿和酸性食物。
刀具应用
- 高端刀具：含钒的刀具受到许多专业人士和烹饪爱好者的青睐。钒起着至关重要的作用，尤其是在高端日本刀具中。
- 钼钒钢：含有钼和钒的钢（例如 AUS-8）因其强度和耐用性而备受赞誉，因此受到厨师的欢迎。
概括
钒是刀具制造中必不可少的元素，可显著提高刀具的锋利度和耐用性。其特性对高端刀具和专业级工具尤其有益，因为这些刀具的寿命和性能至关重要。选择刀具时，了解钒的作用及其对刀片性能的影响至关重要。
相关网站日本刀材质：碳钢与不锈钢 | KIREAJI
VG10
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Definition
VG10 is a premium stainless steel developed by Takefu Special Steel Co., Ltd. in Japan, known for its balance of sharpness, corrosion resistance, and durability. It is widely used in high-end kitchen knives and professional culinary tools. -
Details
VG10 contains about 1% carbon for hardness and sharpness, along with 15% chromium for rust resistance. The addition of molybdenum and cobalt improves wear resistance and edge retention, while vanadium contributes to toughness. With a typical hardness of HRC 60–61, VG10 is capable of producing extremely sharp and long-lasting blades. -
Comparison
Compared to carbon steel, VG10 offers similar sharpness while being much more resistant to rust. It also outperforms many standard stainless steels in edge retention and wear resistance. While powder steels such as SG2 may surpass VG10 in hardness and refinement, VG10 is easier to sharpen and provides a more accessible balance of performance and maintenance. -
Practical Use
VG10 is commonly used in Damascus-style knives and other premium culinary tools. Its sharpness, durability, and ease of care make it suitable for both professional chefs and home cooks. It is versatile across different kitchen tasks, from cutting vegetables to slicing meat, and requires less frequent sharpening than other steels. -
Cultural Note
As a material developed in Japan, VG10 reflects the fusion of traditional knife-making needs with modern metallurgical innovation. It is particularly valued internationally for enabling Japanese knives to combine razor-like sharpness with user-friendly maintenance. Today, VG10 is regarded as one of the most iconic Japanese stainless steels, embodying the country’s reputation for quality and craftsmanship.
玻璃粘合法
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Definition
The vitreous bonding method is a traditional manufacturing technique for artificial whetstones, characterized by high grinding ability, durability, and water absorption. -
Details
In this method, ceramic or glass binders are mixed with abrasive grains, shaped under high pressure, and fired at extremely high temperatures (about 1200–1300°C). The firing process produces a porous structure that firmly holds the abrasive grains in place while allowing water absorption and efficient swarf removal. Stones produced by this method are highly durable and maintain stable quality over long-term use. -
Comparison
Compared to the magnesia bonding method, which uses room-temperature drying, vitreous bonding stones are stronger and longer-lasting but require thorough soaking before use. Unlike resinoid bonding stones, which are softer and more elastic, vitreous bonded stones offer much greater grinding power and are considered the most effective for heavy sharpening tasks. -
Practical Use
Vitreous bonded whetstones are mainly used for coarse to medium-grit sharpening, where significant material removal or edge repair is needed. Because of their durability and powerful grinding performance, they are highly valued in professional kitchens and among advanced sharpeners. Proper soaking before use is essential to maximize performance. -
Cultural Note
In Japan, vitreous bonding whetstones are widely trusted in both culinary and tool-maintenance traditions. Their combination of strength, safety (from high-temperature firing), and effectiveness reflects the continuous refinement of sharpening culture, bridging traditional craftsmanship with modern professional needs.
烧生（退火）
- 定义：软化钢、消除内部应力、稳定其组织的热处理工艺，为后续的淬火、回火等工序奠定基础。
- 详情：退火是将钢加热到特定温度，保温一段时间，然后缓慢冷却（通常在炉中冷却）的过程。这种处理可以提高延展性，使内部结构均匀化，并消除锻造或机械加工产生的残余应力。
- 比较：完全退火是最常用的方法，可使材料柔软且均匀。球化退火对于高碳工具钢淬火前至关重要，而去应力退火则专门用于消除内部应变。每种退火类型的选择取决于钢材的成分和预期用途。
- 实际用途：在刀具制造中，退火使钢材更容易锻造、研磨和成型，同时也为后续的淬火做好准备。如果没有适当的退火，淬火可能会导致裂纹、变形或硬度不均匀。退火被认为是生产稳定、高品质刀具最重要的前期步骤之一。
Yakimodoshi（回火）
柳场
柳叶（切附）
柳叶（咲丸）
安来钢铁
ZDP189
全光 (全钢)
KIREAJI 对您的三个承诺
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1. 秉承堺的遗志
堺市——日本著名的专业厨刀发源地——每一把刀都由拥有超过六个世纪传统的工匠精心打造。完美平衡、持久锋利、精湛工艺，每一次切割都蕴含着真正的工艺精髓。
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2. 贴心呵护，呵护您的日常使用
每把刀都配有手工镶嵌的木兰刀鞘，方便安全存放。我们可根据您的要求提供免费的“本刃付”手工磨刀服务，让您从第一天起就能拥有精准的刀刃。
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3. 终生的伙伴关系
KIREAJI 刀不仅仅是一件工具，更是您一生的伴侣。我们提供定制的付费售后服务，以维护其锋利和美观，确保它始终如初，精准可靠，如同初次接触您的手。
