KOH-I-NOOR 5343 - Chalk holder made of metal for round 9-10 mm chalk, black - 1 PIECE

KOH-I-NOOR 5343 - Chalk holder made of metal for round 9-10 mm chalk, black - 1 PIECE

ASIN: B005AFHH9C
Analysis Date: Dec 7, 2025 (re-analyzed Dec 7, 2025)

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Review Analysis Results

B
Authenticity Grade
18.00%
Fake Reviews
4.77
Original Rating
4.30
Adjusted Rating

Analysis Summary

The review set shows a generally authentic pattern with a fake percentage estimated at 18%. The product has 13 reviews with 11 verified purchases (85% verification rate), which is a strong positive indicator. The rating distribution is heavily skewed toward 5-star reviews (11 out of 13), with only one 4-star and one 3-star review, creating some suspicion about potential review manipulation. However, the presence of critical reviews discussing specific drawbacks like the lack of a pocket clip and the weight issue provides balance and authenticity.

Several reviews demonstrate authentic language patterns with specific, detailed complaints and praises. For example, R3O4O7W5ASNKEM states: "It is the only chalk holder that fits the 9 mm chalk supply that I found. However, it does not have a pocket clip that also serves as a means to keep the holder from rolling over the lab bench or desk." Similarly, R1GTLE8ZAM6OIY provides specific criticism: "It is heavy. I use it for thick, triangular pencils like those for kids, and having a lot of weight at the top of the pencil makes it harder to write and draw."

Review authenticity indicators are mixed but generally positive. Many reviews show appropriate specificity about use cases (classroom teaching, darts, sidewalk chalk art) and genuine emotional tone. The timing appears natural with no obvious clustering. However, some reviews like R1SQ3RIE7M9OHD ("meet my need.") and R25GBBCXOH21LO ("Funktioniert super") are overly brief and generic, raising minor concerns. The multilingual reviews (Turkish, German, Italian) add authenticity through geographic diversity.

Key positive indicators include detailed comparisons to other products (plastic holders, riding unicycles), specific mention of brand loyalty (Koh-i-noor), and acknowledgment of both strengths and weaknesses. The main concerns are the high percentage of 5-star reviews and a few overly simplistic reviews that could be padding. Overall, this appears to be a legitimate product with mostly authentic reviews, though there may be some minimal review manipulation present.

Key patterns identified in the review analysis include: Specific comparisons to other chalk holders, Detailed discussion of chalk slipping issues, Mention of specific use cases (classroom, darts, art).

Review Statistics

About Review Data Collection

We extract as much review data as Amazon makes available at the time of analysis. The amount may vary due to Amazon's rate limiting, regional restrictions, or other factors. Our analysis is based on the reviews we successfully collected.

948
Total Reviews on Amazon
13
Reviews Analyzed
11
Genuine Reviews
2
Fake Reviews
-0.47
Rating Difference

Want to analyze more reviews? Install the Null Fake Chrome extension to capture and analyze additional reviews as you browse Amazon.

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Price Analysis

This is a well-reviewed, specialized art tool from a reputable brand. While pricing details are unavailable, similar chalk holders range from $8-$25, with KOH-I-NOOR likely at the higher end for quality. Buy when you see it under $15 with free shipping, and compare prices at art supply retailers like Blick or Jerry's Artarama.

MSRP Assessment

Estimated MSRP: Unknown
Source: Unable to determine
Amazon Price: Unable to compare

Market Position

Positioning: Mid-range to Premium
Alternatives Range: $8-$25
Value: KOH-I-NOOR is a respected art supply brand known for quality, so expect to pay more than generic chalk holders for better durability and design.

Buying Tips

Best Time to Buy: Best prices often appear during back-to-school sales (July-September) or around holidays when art supplies are discounted.
Deal Indicators: Look for price drops below $12, bundled offers with chalk, or free shipping to maximize value.
Watch For: Be wary of third-party sellers charging significantly above $25, and check shipping costs as they can erode value on low-cost items.
Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Dec 7, 2025

Understanding This Analysis

What does Grade B mean?

This product has good review authenticity with minor concerns. While most reviews appear genuine, we detected some patterns that warrant mild caution.

Adjusted Rating Explained

The adjusted rating (4.30 stars) represents what we estimate this product's rating would be if fake reviews were removed. This product's adjusted rating is lower than Amazon's displayed rating (4.77 stars), suggesting positive fake reviews may be inflating the score.

How We Detect Fake Reviews

Our AI analyzes multiple factors: language patterns (generic vs. specific), reviewer behavior (history, timing), temporal anomalies (review clusters), verification status, sentiment authenticity, and statistical outliers. No single factor determines a review is fake - we look at the combination of signals.

Important Limitations

No automated system is perfect. Sophisticated fake reviews can evade detection, and some genuine reviews may be incorrectly flagged. Use this analysis as one data point in your purchasing decision, not the only factor. Reading actual review content yourself is always valuable.

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Detailed explanation of our AI methodology

Spotting Fake Reviews Yourself

10 warning signs to watch for

Frequently Asked Questions

Common questions about our tool

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