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Tools & Home Improvement

Screw Extractor-Screw Extractor Set-6 piece set of Easy Out Bolt Extractor- -Damaged&Stripped Screw Extractor Remover Set-Broken Bolt Extractor Kit-Durable Screw Extractor Set

Tools & Home Improvement4.1· 246 Amazon ratings

Bias-adjusted across 246 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Tools & Home Improvement.

17.2%
Percentile · Global
13.5%
Percentile · Cohort
Tools & Home Improvement
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Screw Extractor-Screw Extractor Set-6 piece set of Easy Out Bolt Extractor- -Damaged&Stripped Screw Extractor Remover Set-Broken Bolt Extractor Kit-Durable Screw Extractor Set

How the score was built

Amazon ratings
246

used for the Bayesian percentile

Raw star average
4.1 / 5

unadjusted Amazon mean

Bayesian avg
4.16

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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