Kitchen Knives

Ninja™ NeverDull® Knife Block Set | 17 Piece Kitchen Knife System with Built-in Sharpener | Rust Resistant, German Stainless-Steel Knives | Black | K32017: The Consensus

Ninja™ NeverDull® Knife Block Set | 17 Piece Kitchen Knife System with Built-in Sharpener | Rust Resistant, German Stainless-Steel Knives | Black | K32017
8.1 Score

The ORA Consensus Score

Owners consistently praise the Ninja NeverDull Knife Block Set for its exceptional, long-lasting sharpness and the convenience of its built-in sharpener, though some express concerns about the knife block's stability and material.

8.1 This product
7.2 Kitchen Knives average
#2 of 8 scored

Category leader: WÜSTHOF Amici 6-Piece Knife Block Set at 8.9/10 — read that consensus →

$394.99 Best price the consensus found
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Score Breakdown

Cutting Performance
9.8
Ergonomic Comfort
9.0
Craftsmanship Quality
7.5
Balance & Control
9.2
Durability & Longevity
8.0
Built-in Sharpener Effectiveness
9.5
Knife Block Design & Stability
4.0

Exceptional Sharpness and Effortless Maintenance

The Ninja NeverDull Knife Block Set garners widespread praise from owners for its outstanding sharpness, a quality consistently highlighted as a major improvement over previous knife sets. Reviewers frequently describe the blades as 'razor sharp,' 'insanely sharp,' and capable of cutting 'like butter' through a variety of ingredients, from vegetables and crusty bread to raw meat and even frozen chicken. This superior cutting performance is a key factor in the set's high owner satisfaction. Crucially, this sharpness is not fleeting, thanks to the innovative NeverDull technology integrated directly into the knife block. Owners enthusiastically commend the built-in sharpener for its convenience and effectiveness, noting that it takes mere seconds to swipe a knife through and restore its edge to optimal sharpness. This feature is frequently cited as a game-changer, making knife maintenance simple and accessible for everyone in the household. While a few isolated reports mention the sharpener breaking or not performing as expected, the overwhelming majority find it highly effective and a significant advantage, eliminating the need for separate sharpening tools. Many reviews also include strong warnings about the knives' extreme sharpness, with numerous owners reporting accidental cuts, underscoring the necessity for careful handling and supervision around children.

Quality Construction and Ergonomic Design

Beyond their cutting prowess, the knives themselves are generally well-regarded for their quality and construction. Owners appreciate the solid, well-made feel of the German stainless steel blades, often noting a comfortable grip and good balance that makes prolonged prep work less fatiguing. The knives are described as sturdy, with many reviewers expressing confidence in their long-term durability. Most report no issues with rusting or dulling over several months or even years of use, provided they are hand-washed, as many owners prefer to do despite some mentions of them being dishwasher safe. The set's comprehensive selection, including a variety of kitchen knives and eight steak knives, is also a positive point. However, there are a few notable exceptions to this positive durability trend. One owner reported a large knife breaking in half after approximately a year of use, and another mentioned a 'tinge rusty' logo appearing on some blades. While the primary knives are often described as forged, one review pointed out that the included steak knives appeared to be stamped rather than forged, which disappointed that particular buyer.

Mixed Feedback on the Knife Block and Overall Value

The knife block, while often praised for its sleek, modern appearance that complements various kitchen aesthetics, is a consistent point of contention for several owners. Many describe it as lightweight, plastic, and feeling 'cheap' or not as premium as expected for the price. A common complaint is that the block can be top-heavy or prone to tipping, with the integrated suction cups frequently failing to secure it effectively, particularly on porous surfaces like granite or other non-smooth countertops. Counter space is also a consideration, as some find the 17-piece set takes up a significant footprint, while others appreciate its compact design. Despite these criticisms regarding the block's material and stability, the overall value of the set is frequently affirmed. Many reviewers state that the exceptional performance and lasting sharpness of the knives, coupled with the highly effective built-in sharpener, make the set 'worth every penny' and a 'great option for the price,' even if considered a bit expensive initially. The sentiment is often that the quality of the knives themselves outweighs the perceived shortcomings of the block.

Consistently High Satisfaction with Key Features

In summary, the Ninja NeverDull Knife Block Set stands out as a highly recommended product for home cooks seeking consistently sharp knives and a convenient, effective sharpening system. The knives deliver excellent cutting performance, are well-balanced, and offer a comfortable user experience. While the knife block's plastic construction and occasional stability issues are noted drawbacks, they generally do not detract significantly from the overall positive owner experience. The ability to easily maintain razor-sharp blades through the integrated sharpener is a recurring highlight, making this set a valuable and practical investment for any kitchen.

✅ The Good

  • Knives arrive exceptionally sharp and maintain their edge effectively.
  • The built-in sharpener is highly convenient and easy to use, keeping blades razor sharp.
  • Knives offer excellent cutting performance, gliding through various foods with ease.
  • Many owners find the knives well-balanced with a comfortable, sturdy feel.

❌ The Bad

  • The knife block is frequently described as lightweight, plastic, and prone to tipping.
  • The suction cups on the block often do not adhere well, especially on porous surfaces.
  • Some owners reported issues with the sharpener breaking or a knife breaking in half.

What owners actually said

“5.0 out of 5 stars Best knives ever. 3 cuts in one week. Other than that, they are beyond sharp and and great product.Update, cut myself 2 more times so they are still super sharp!!”
— Verified owner 5.0★ ✓ verified
“5.0 out of 5 stars These are by-far the best knives I've ever owned. They are well-balanced, very sturdy feeling, and INSANELY sharp. I recommend these to everyone I know. You will not regret this buy”
— Verified owner 5.0★ ✓ verified
“5.0 out of 5 stars This is a great purchase. The knives come ready to use and are razor sharp so be careful! I really like the sharpener that is already build into the holder.”
— Verified owner 5.0★ ✓ verified

Quoted verbatim from the review set this report was synthesized from.

The Verdict

Ninja™ NeverDull® Knife Block Set | 17 Piece Kitchen Knife System with Built-in Sharpener | Rust Resistant, German Stainless-Steel Knives | Black | K32017 · 8.1/10

For home cooks prioritizing consistently sharp knives and a convenient sharpening system, the Ninja NeverDull set is a strong contender. Buyers should be aware of potential issues with the knife block's stability and material.

$394.99 Best price the consensus found
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Specifications

Manufacturer-published specs. Not part of the review analysis.

Item details

Brand NameNinja
UPC622356573559
ManufacturerSharkNinja
Set Name17 Piece
Included Components3.5" Paring knife, 4.5" Steak knives (x8), 5" Utility knife, 6” Boning knife, 7" Santoku knife, 8" Chef knife, 8” Bread knife, 8” Slicing knife, Knife Block with NeverDull Technology, Shears
Item Length12.4 inches
Global Trade Identification Number10622356573556
Model NumberK32017
Manufacturer Part NumberK32017
Item Type NameFoodi NeverDull Premium Block Set with Built-in Sharpener, Stainless Steel/Black

Materials & Care

Blade Material TypeStainless Steel
Handle MaterialStainless Steel

Style

ColorBlack
Style Name17pc Set

Features & Specs

Blade EdgePlain
Construction TypeForged

Measurements

Item Dimensions14.37 x 7.45 x 12.63 inches
Item Weight8.7 pounds

Additional details

EU Spare Part Availability Duration10 years

Frequently Asked Questions

How sharp are the Ninja NeverDull knives and do they maintain their edge?

Owners consistently describe the knives as exceptionally sharp, often 'razor sharp,' and note they maintain their edge effectively. The built-in NeverDull sharpener allows for easy restoration of optimal sharpness, keeping blades consistently keen.

Is the built-in sharpener effective and easy to use?

Yes, the built-in sharpener is highly praised for its convenience and effectiveness, making it easy to keep blades razor sharp with just a few seconds of use. While isolated reports mention issues, the overwhelming majority find it highly effective and a significant advantage.

What are the common concerns or weaknesses regarding the knife block?

The knife block is frequently described as lightweight, plastic, and prone to tipping. Its integrated suction cups often do not adhere well, especially on porous surfaces, leading to stability concerns for some owners.

Are the Ninja NeverDull knives durable and well-made?

The knives are generally well-regarded for their quality, solid feel, and German stainless steel construction, with many owners expressing confidence in their long-term durability. Most report no issues with rusting or dulling over time with proper care.

Have there been any reported issues with the knives themselves, beyond the block?

While generally durable, one owner reported a large knife breaking in half after approximately a year of use, and another mentioned a 'tinge rusty' logo appearing on some blades. Additionally, some steak knives were noted as stamped rather than forged.

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How ORA built this: We read recent reviews, remove suspected bot or incentivized entries and off-topic complaints, then synthesize the remainder into a single unbiased verdict. Read our full methodology →
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The evidence behind this verdict

100reviews analyzed
0bot reviews removed
0off-topic removed
100synthesized

Sourced 2026-07-01 · published 2026-07-01.