Misen 5-piece kitchen knife set with blue handles arranged by size

5-Piece Knife Set (ACUTO440) - Blue

$489.00
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Misen 5-piece kitchen knife set with blue handles arranged by size
  • Misen 5-piece kitchen knife set with blue handles arranged by size
  • 5-Piece Knife Set (ACUTO440) - Blue
  • Cheese board with brie, blue cheese, aged cheese, pear, cashews, olives, dried apricots, artisan bread, and honey
  • Misen 5-piece kitchen knife set with blue handles including chef, bread, santoku, utility, and paring knives
  • Hands slicing yellow bell pepper on white cutting board with fresh vegetables
  • Misen 5-piece kitchen knife set with blue handles arranged by size
  • 5-Piece Knife Set (ACUTO440) - Blue
  • Cheese board with brie, blue cheese, aged cheese, pear, cashews, olives, dried apricots, artisan bread, and honey
  • Misen 5-piece kitchen knife set with blue handles including chef, bread, santoku, utility, and paring knives
  • Hands slicing yellow bell pepper on white cutting board with fresh vegetables
5-Piece Knife Set (ACUTO440) - Blue

5-Piece Knife Set (ACUTO440) - Blue

Rust-Proof 5-Piece ACUTO440 Knife Set, Blue

$489.00

The complete core lineup: five knives that cover everything from big prep to fine detail, all built from rust-proof ACUTO440 steel.

Size: 5-Piece
Color: Blue
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60-Day Test Drive

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Lifetime Warranty Against Defects

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Free Returns

Features
  • AICHI ACUTO440 steel for exceptional sharpness and edge retention
  • Lab-tested rust resistance proven to withstand 50 days submerged in water and up to 100 dishwasher cycles.
  • Ergonomic rounded spine for a more comfortable pinch grip
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Rust-Proof

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ACUTO440 Steel

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All Chop Styles
What’s Inside
Use & Care
  • Hand wash
  • Dry immediately after use
  • Sharpen every 4–6 months
  • Heads up: High-carbon knives may show discoloration after exposure to acidic foods and/or salt. This is purely cosmetic and different from rust, which is extremely rare.
  • Visit our Help Hub for more on how to use and care for this knife.

Let Us Handle the Sharpening
Specifications

8" Chef's Knife:
Blade Length: 8.26 in. / 210 mm
Total Length: 13.5 in. / 345 mm
Handle Thickness: 18 mm
Blade Height: 49 mm
Weight: 0.5 lb / 230 g

3.3" Paring Knife:
Blade Length: 3.3 in. / 85 mm
Total Length: 7.6 in. / 195 mm
Weight: 0.18 lb / 84 g

8" Serrated Knife:
Blade Length: 8.1 in. / 208 mm
Total Length: 13.3 in. / 340 mm
Handle Thickness: 18 mm
Blade Height: 35 mm
Weight: 0.4 lb / 215 g

6" Bunka Knife:
Blade Length: 5.9 in. / 152 mm
Total Length: 11.52 in. / 293 mm
Handle Thickness: 18 mm
Weight: 0.43 lb / 194 g

5.5" Utility Knife:
Blade Length: 5.7 in. / 147 mm
Total Length: 10.4 in. / 265 mm
Handle Thickness: 16 mm
Blade Height: 36 mm
Weight: 0.29 lb / 136 g

Steel: AICHI ACUTO 440 (Japan)
HRC: 58±2
Country of Production: PRC
Warranty

All Misen products come with a lifetime warranty against defects. Misen will replace any defective products. Learn more about our warranty policy here and what's covered.

Pair it with

What’s in the Set

8" Chef's Knife

Your go-to for everyday prep. The hybrid blade handles rocking, chopping, drawing, and slicing, from herbs to a whole chicken.

3.5" Paring Knife

Your off-the-board knife built for handheld precision tasks like hulling strawberries, slicing peaches, and peeling just about anything.

8" Serrated Knife

Wave-style serrations glide through crusts, cakes, and soft produce without crushing or tearing.

5.5" Utility Knife

When a chef's knife feels like overkill and a paring knife isn't quite enough, the utility blade steps in. Great for cheese, citrus, charcuterie, and fish.

6" Bunka Knife

A Japanese-style chef's knife with a precision triangle tip for mincing and detail cuts, plus a straight belly for clean, controlled everyday prep.

Basically a Navy Seal

Rust-proof after 100 dishwasher cycles.

Because it’s got more chromium than standard high-carbon stainless, ACUTO440's rust resistance is a lab result, not a marketing claim.
Sliced salami and mozzarella sheet pan pizza on parchment paper being cut with a Misen chef's knife
Misen bread knife slicing dark sourdough loaf on wooden cutting board

Works Harder, Stays Sharper

Holds a razor edge through heavy prep.

At 58±2 HRC, ACUTO440 has incredible edge retention without brittleness. That means you can put off sharpening it for longer.

Questions?

What are Misen’s ACUTO440 Knives made of?

Our ACUTO440 Knives are made with AICHI ACUTO440, an exceptionally corrosion-resistant Japanese high-carbon stainless steel. AICHI ACUTO440 is rust-proof, incredibly durable, and has excellent edge retention. What that means for you: less time cleaning and sharpening, more cooking.
What’s the difference between Misen’s ACUTO440 Knives and classic knives?

All of our knives are made from high-carbon stainless steel, which is what gives them their razor-sharpness and excellent edge retention. However, our ACUTO440 Knives have a much higher chromium content (about 18%), which makes them significantly more corrosion (aka rust) resistant.

Our ACUTO440 Knives also feature a rounded spine and heel (the back of the knife where the blade meets the bolster), creating a more comfortable grip over long prep sessions.
How are Misen’s ACUTO440 Knives different from other high-carbon knives?

We wanted our ACUTO440 Knives to be high-performance tools that you could still leave in the sink overnight if you needed to. That’s why our ACUTO440 Knives are made with AICHI ACUTO440, a Japanese high-carbon stainless steel that is more durable and easier to care for than other high-carbon knives, which are prone to rusting and/or chipping without proper care.
What do you mean by rust-proof?

Our ACUTO440 Knives are made with AICHI ACUTO440 steel, an exceptionally corrosion-resistant Japanese high-carbon stainless steel. Our knives have been lab-certified to withstand up to 100 dishwasher cycles, as well as 50 days of being submerged in water, without showing any signs of rust.
Can I put Misen’s ACUTO440 Knives in the dishwasher?

While our ACUTO440 Knives have been lab-certified to withstand up to 100 dishwasher cycles without showing any signs of rust, we generally recommend hand washing all of your Misen knives. Because our knives are extremely sharp, when they get jostled around in the dishwasher, the blade can cut through the soft materials that make up your dishwasher racks. Dishwashing can also damage your knives if the blade edge bangs against hard objects like flatware or pots and pans during the washing cycle.
How often should I sharpen my knives?

Whenever you start to notice your knife is slicing and dicing a little less crisply than usual, it’s time to sharpen. Although our ACUTO440 Knives can go long periods between sharpenings, we generally recommend getting them sharpened about twice a year for best performance. We also recommend regularly using a honing rod between sharpenings to keep your knife edge in good shape.
My blade has discoloration and/or staining. What is this?

While our ACUTO440 Knives are rust-proof, all high-carbon knives can experience some discoloration and/or staining with prolonged exposure to acidic foods and/or salt. This is purely cosmetic and is not the same as rust.

Customer Reviews

Rust-Proof 5-Piece ACUTO440 Knife Set, Blue

If you want a core knife set that can handle everything from big prep to fine detail, the 5-Piece Knife Set (ACUTO440) is designed as an all-around lineup built from rust-proof ACUTO440 steel. The Blue option is the same set and steel as the other colors, so choosing between them is primarily about the look you want on your counter.

What you are getting in this 5-piece lineup is clearly defined: an 8” Chef’s Knife, 3.3” Paring Knife, 8” Serrated Knife, 5.5” Utility Knife, and 6” Bunka Knife, all in ACUTO440 steel. It is a practical spread for everyday cooking, with a larger knife for main prep, smaller blades for detail work, and a serrated option when you want sawing performance.

The headline here is rust resistance. Misen notes that the AICHI ACUTO440 steel is lab-tested for rust resistance, including tests proven to withstand 50 days submerged in water and up to 100 dishwasher cycles. That matters if your knives see heavy rotation and you want extra peace of mind about rust, especially compared with blades that demand more vigilance.

Comfort is also built into the design, specifically through an ergonomic rounded spine intended to support a more comfortable pinch grip. If you are comparing within Misen’s lineup, browsing the broader knife sets selection can help you decide whether you want this core 5-piece coverage or a larger set size. You can also explore individual blades in the kitchen knives collection if you are building your kit one knife at a time.

For care, Misen recommends hand washing and drying immediately after use, plus sharpening every 4–6 months. They also note that high-carbon knives may show discoloration after exposure to acidic foods and or salt, which is cosmetic and different from rust (which they describe as extremely rare). For more detail, the ACUTO knives care page is the best reference.

Explore Sets for more verified options related to this product.

Frequently Asked Questions About ACUTO440 Knife Sets

Which knives are included in the 5-Piece ACUTO440 Knife Set?

The set includes five ACUTO440 knives: an 8” Chef’s Knife, 3.3” Paring Knife, 8” Serrated Knife, 5.5” Utility Knife, and 6” Bunka Knife. Together, they are positioned as a core lineup that covers everything from big prep to fine detail.

How is the rust resistance of ACUTO440 described and tested?

Misen states the steel is rust-proof ACUTO440 and notes lab-tested rust resistance. The testing mentioned includes performance proven to withstand 50 days submerged in water and up to 100 dishwasher cycles, which helps explain the brand’s rust-proof claim.

Do the Blue, Black, Red, and White versions perform differently?

No functional differences are described between the color options. Each version is the same 5-piece ACUTO440 lineup, so your choice is primarily aesthetic (the colorway) rather than a change in steel, knife count, or listed features.

What care does Misen recommend for this knife set?

Misen recommends hand washing, drying immediately after use, and sharpening every 4–6 months. They also note discoloration can occur after acidic foods and or salt exposure, and that it is cosmetic rather than rust (which they say is extremely rare).

Is there a sharpening service mentioned for these knives?

Yes. The page mentions a Mail-In Knife Sharpening service that can be used on any knife. If you want the brand’s full guidance on maintenance, Misen also directs shoppers to their ACUTO knives care information.