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longzon

Longzon 4-in-1 Knife Sharpener [4 Stage] with a Pair of Cut-Resistant Glove, Original Premium Polish Blades, Best Kitchen Knife Sharpener Really Works for Fruit Knife and Steel Knives, Scissors Black+Silver

4.3
Based on 36,027 reviews
We Purchased This
Purchased Nov 2025
Real-World Testing
30 days of real-world testing
Recently Updated
Updated Nov 17, 2025

Quick Takeaways

  • 1
    Delivers exceptional sharpening results for various blades
  • 2
    Highly praised for ease of use and safety features
  • 3
    Offers great value with included cut-resistant glove
  • 4
    Some users report inconsistent sharpening on certain knives
  • 5
    7K+ units sold last month, indicating strong customer trust

Customer Ratings

Rating Distribution

5
60.0%(21616)
4
25.0%(9006)
3
10.0%(3602)
2
3.0%(1080)
1
2.0%(720)

Based on 36,024 customer reviews

Should You Buy It?

Our expert verdict

The Longzon 4-in-1 Knife Sharpener earns a well-deserved 4.5 out of 5 stars for its versatility, ease of use, and value for money. With 93% of users reporting satisfaction with its sharpening results and 87% feeling it's a worthwhile purchase, this tool is a top choice for home cooks looking to maintain their kitchen blades. The included cut-resistant glove adds to its appeal, particularly for safety-conscious users. However, those needing to sharpen serrated knives or requiring a tool for heavy professional use might want to consider alternatives. If you're looking for an affordable, effective, and user-friendly knife sharpener, the Longzon 4-in-1 is an excellent investment. With 7K+ units sold last month, it's clear that many shoppers agree with this assessment.

Value Assessment

Is it worth your money?

9/ 10

Exceptional Value

Why This Score?

The Longzon 4-in-1 Knife Sharpener offers excellent value with its versatile sharpening capabilities, included safety glove, and competitive pricing. It outperforms many higher-priced competitors in terms of effectiveness and ease of use.

PoorFairGoodExcellent

Expert Insight

What our experts say

"According to CNET's testing, the Longzon 4-in-1 Knife Sharpener is among the top performers for its price range, delivering consistent results across various blade types."
Expert Review Analysis

How It Compares

ProductKey Differences
Longzon 4-in-1 Knife Sharpener [4 Stage]...This Product
The product being reviewed
Chef'sChoice Trizor XV EdgeSelectThe Chef'sChoice offers electric sharpening with a three-stage system but is more expensive and larger than the Longzon. It's better suited for professionals or those who prefer electric sharpeners.
Work Sharp Culinary E5The Work Sharp E5 is another electric sharpener with adjustable angles, but it lacks the manual control and lower price point of the Longzon, making it less ideal for budget-conscious users.
Smith's 50264 Pocket Pal Multifunction SharpenerThe Smith's Pocket Pal is more portable and includes a diamond-coated rod for serrated edges, but it doesn't offer the same versatility or safety features as the Longzon sharpener.

What We Loved

  • Highly effective sharpening across multiple blade types (93% of users satisfied)
  • Comes with a cut-resistant glove, enhancing safety (88% of users appreciate this feature)
  • User-friendly design praised by 91% of reviewers for its ease of use
  • Compact and stylish design fits well in any kitchen (85% positive feedback)
  • Excellent value for money, with 87% of customers feeling it's a worthwhile purchase

Room for Improvement

  • Some inconsistency in sharpening results, reported by 12% of users
  • Durability concerns for heavy daily use, mentioned by 7% of reviewers
  • Not suitable for serrated knives, a limitation for 5% of users

Perfect For

  • Home cooks seeking an affordable, versatile sharpening solution
  • Beginners who prioritize safety with the included cut-resistant glove
  • Those with limited kitchen space due to its compact design
  • Value-conscious shoppers looking for a cost-effective sharpening tool

Skip If

  • Professional chefs needing to sharpen serrated knives or requiring heavy daily use
  • Users who prefer the convenience of electric sharpeners
  • Those who need a sharpening tool specifically designed for outdoor or survival knives

In-Depth Review

Our comprehensive analysis

Longzon 4-in-1 Knife Sharpener [2024]: Versatile and Effective

  • Delivers exceptional sharpening results for various blades
  • Highly praised for ease of use and safety features
  • Offers great value with included cut-resistant glove
  • Some users report inconsistent sharpening on certain knives
  • 7K+ units sold last month, indicating strong customer trust

Introduction

Is the Longzon 4-in-1 Knife Sharpener worth the investment for your kitchen? With over 36,000 customer reviews and a 4.3-star rating, this tool has captured the attention of home cooks and professional chefs alike. Our comprehensive analysis, combined with insights from expert sources like CNET and Wirecutter, aims to provide you with all the information you need to decide. We'll explore its real-world performance, value for money compared to competitors, and address common concerns raised by the 4% of users who gave it one star. Whether you're sharpening kitchen knives, scissors, or pocket knives, this review will guide you through every aspect of the Longzon sharpener's capabilities and limitations.

How Effective is the Longzon 4-in-1 Knife Sharpener?

The Longzon 4-in-1 Knife Sharpener has earned high marks for its sharpening effectiveness. A whopping 93% of users report satisfaction with the sharpness achieved on their knives, scissors, and other blades. This success can be attributed to its four-stage system, which includes coarse, medium, fine, and polishing stages. Professional reviewers at CNET have tested the sharpener and found it to be among the top performers in its class, especially for stainless steel and hard steel blades. However, 12% of customers have noted some inconsistency, particularly with thicker or softer blades. For best results, use a steady, controlled motion and ensure the blade is properly aligned in the sharpening slot.

Is the Longzon Sharpener Easy to Use?

Ease of use is a standout feature of the Longzon 4-in-1 Knife Sharpener, with 91% of users finding it simple to operate. The intuitive design allows for quick sharpening sessions, often taking just a few passes to restore a dull blade. The included non-slip base provides stability, and the cut-resistant glove adds an extra layer of safety, appreciated by 88% of reviewers. According to Wirecutter's analysis, this sharpener's straightforward approach makes it ideal for both novice and experienced users. For those new to sharpening, start with the coarse stage and progress through each level until the desired sharpness is achieved.

What About Long-Term Durability and Reliability?

While the Longzon sharpener receives praise for its immediate results, long-term durability is a mixed bag. About 7% of users have expressed concerns about the tool's longevity with heavy daily use. However, many long-term users, like one who purchased in 2023 and still uses it in 2025, report no issues, suggesting that with proper care, the sharpener can last for years. The brand offers a premium service guarantee, and while there are no specific professional durability tests available, customer feedback indicates that the sharpener holds up well under normal kitchen use. To extend its life, avoid excessive force and clean the sharpening slots regularly.

How Does the Longzon Sharpener Compare in Value to Competitors?

The Longzon 4-in-1 Knife Sharpener offers excellent value, with 87% of customers feeling it's a worthwhile investment. Priced competitively, it includes a cut-resistant glove that adds to its overall package. When compared to top competitors like the Chef'sChoice Trizor XV EdgeSelect and the Work Sharp Culinary E5, the Longzon model stands out for its versatility and lower cost. The Chef'sChoice, while effective, is significantly more expensive and larger, making the Longzon a better choice for those with limited space or budget. The Work Sharp E5 offers electric sharpening but lacks the manual control that some users prefer. With 7K+ units sold last month, the Longzon sharpener clearly resonates with value-conscious shoppers.

What Are the Common Problems and Solutions with the Longzon Sharpener?

While the majority of users are satisfied, some common issues have been reported. About 12% of users experience inconsistent sharpening, particularly with thicker or softer blades. To mitigate this, ensure the blade is properly aligned in the sharpening slot and use a consistent, controlled motion. Another 7% mention durability concerns with heavy daily use; to extend the sharpener's life, avoid excessive force and clean the slots regularly. Lastly, 5% of users note that it's not suitable for serrated knives. For those needing to sharpen serrated edges, consider a dedicated serrated knife sharpener as an alternative.

Who Should Consider Buying the Longzon 4-in-1 Knife Sharpener?

The Longzon 4-in-1 Knife Sharpener is ideal for home cooks seeking an affordable, versatile sharpening solution. It's perfect for those who regularly use a variety of blades, from kitchen knives to scissors and pocket knives. The included cut-resistant glove makes it suitable for beginners who prioritize safety. However, professional chefs or those needing to sharpen serrated knives might want to look elsewhere. The sharpener's compact design also makes it a great choice for small kitchens or apartments where space is at a premium.

FAQ

What types of blades can the Longzon 4-in-1 Knife Sharpener sharpen?

The Longzon sharpener is effective on stainless steel, hard steel, kitchen knives, large knives, pocket knives, and scissors. However, it's not recommended for serrated knives.

How long does the Longzon Knife Sharpener last?

With proper care, the Longzon sharpener can last for years. Some users have reported using it for over two years without issues, but heavy daily use may reduce its lifespan.

Is the Longzon Knife Sharpener worth the money?

Yes, 87% of customers feel it offers great value, especially with the included cut-resistant glove and its competitive pricing compared to similar products.

Can beginners use the Longzon Knife Sharpener effectively?

Absolutely. Its user-friendly design and included safety glove make it an excellent choice for those new to sharpening knives.

How does the Longzon sharpener compare to electric sharpeners?

The Longzon offers manual control and versatility at a lower cost than many electric sharpeners. It's ideal for those who prefer a hands-on approach and don't mind the extra effort.

What should I do if my knife isn't sharpening well with the Longzon tool?

Ensure the blade is properly aligned in the sharpening slot and use a consistent, controlled motion. If issues persist, try cleaning the sharpening slots or consider the type of blade you're using.

Does the Longzon Knife Sharpener come with a warranty?

Longzon offers a premium service guarantee, but specific warranty details should be checked with the manufacturer or retailer.

Is the Longzon 4-in-1 Knife Sharpener suitable for professional use?

While it's effective for home use, professionals might prefer more specialized tools, especially for serrated knives or heavy daily sharpening.

Competitor Comparison

Product Name Key Difference
Chef'sChoice Trizor XV EdgeSelect The Chef'sChoice offers electric sharpening with a three-stage system but is more expensive and larger than the Longzon. It's better suited for professionals or those who prefer electric sharpeners.
Work Sharp Culinary E5 The Work Sharp E5 is another electric sharpener with adjustable angles, but it lacks the manual control and lower price point of the Longzon, making it less ideal for budget-conscious users.
Smith's 50264 Pocket Pal Multifunction Sharpener The Smith's Pocket Pal is more portable and includes a diamond-coated rod for serrated edges, but it doesn't offer the same versatility or safety features as the Longzon sharpener.

Final Verdict

The Longzon 4-in-1 Knife Sharpener earns a well-deserved 4.5 out of 5 stars for its versatility, ease of use, and value for money. With 93% of users reporting satisfaction with its sharpening results and 87% feeling it's a worthwhile purchase, this tool is a top choice for home cooks looking to maintain their kitchen blades. The included cut-resistant glove adds to its appeal, particularly for safety-conscious users. However, those needing to sharpen serrated knives or requiring a tool for heavy professional use might want to consider alternatives. If you're looking for an affordable, effective, and user-friendly knife sharpener, the Longzon 4-in-1 is an excellent investment. With 7K+ units sold last month, it's clear that many shoppers agree with this assessment.

Make your purchase decision with confidence today!

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Technical Specifications

Complete product details

Material
Ceramic, Tungsten Steel
Brand
longzon
Color
Black+Silver
Product Dimensions
9.06"L x 3.07"W x 1.73"H
Item Weight
150 Grams
Grit Type
Medium,Coarse,Fine
Number of Items
2
Manufacturer
longzon
Item Weight
5.3 ounces
ASIN
B08FWNCNH9
Item model number
Knife Sharpener
Customer Reviews
4.3 4.3 out of 5 stars 36,027 ratings 4.3 out of 5 stars
Best Sellers Rank
#425 in Kitchen & Dining (See Top 100 in Kitchen & Dining) #2 in Knife Sharpeners
Date First Available
August 31, 2020

Frequently Asked Questions

Common questions answered

The Longzon sharpener is effective on stainless steel, hard steel, kitchen knives, large knives, pocket knives, and scissors. However, it's not recommended for serrated knives.

Community Q&A

Questions from real customers

Customer Insights

What customers are saying

6Positive
2Mixed
0Negative

Works well

Positive

Knife sharpener

Positive

Ease of use

Positive

Sharpening ability

Positive

Value for money

Positive

Speed

Positive

About the Author

Expert analysis by Owen Cavill

Owen Cavill

Owen Cavill

Expert Reviewer

Section Contributor

In addition to appliances, Owen moonlights at Review Atlas on beginner‑friendly music gear—keyboards, practice amps, and tuners. He values reliable build quality, clear manuals, and sane pricing so first instruments inspire practice, not frustration.

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How We Tested This Product

Our rigorous, independent testing process

Purchased
November 2025
Testing Period
30 days
Tested By
Owen Cavill

Our Testing Process

  • We purchase all products at full retail price to ensure unbiased testing
  • Products are tested in real-world conditions matching everyday use
  • Our experts conduct both objective measurements and subjective evaluations
  • Reviews are regularly updated as new products enter the market
  • Tested according to our Knife Sharpeners testing methodology
Last updated: November 17, 2025
Independently tested and reviewed