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Tools & Home Improvement

Irwin Tools FK100 1858318 Folding Utility Knife

Tools & Home Improvement4.4· 6,278 Amazon ratings

Bias-adjusted across 6,278 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Tools & Home Improvement.

73.4%
Percentile · Global
67.3%
Percentile · Cohort
Tools & Home Improvement
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Irwin Tools FK100 1858318 Folding Utility Knife

How the score was built

Amazon ratings
6,278

used for the Bayesian percentile

Raw star average
4.4 / 5

unadjusted Amazon mean

Bayesian avg
4.40

raw rating shrunk to the category prior

Reviewer-graph z
-0.707

bias-corrected vs. each reviewer's baseline (0 qualifying)

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Same category · Tools & Home Improvement

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