Klein Tools ET310 AC Circuit Breaker Finder, Electric and Voltage Tester with Integrated GFCI Outlet Tester
KLEIN TOOLS

Klein Tools ET310 AC Circuit Breaker Finder, Electric and Voltage Tester with Integrated GFCI Outlet Tester

$49.97★ 4.7(25,381 reviews)
Mubboo Score 5.6/10
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Mubboo Value Score: 5.6/10

Quality9.4/10
based on 4.7/5 customer rating
Popularity4.6/10
25,381 reviews, top 2% in testers
Value2.7/10
priced below 27% of testers

How it stacks up

Rated 4.7/5 — better than 83% of 185 testers we track. Premium-tier pricing at $49.97.

Head-to-Head vs Category Leader

KLEIN TOOLSDZZ (Leader)
Price$49.97$14.99
Rating4.7/54.9/5
Reviews25,38126
Mubboo Score5.6/105.6/10

The category leader DZZ Car Fuse Tester,Automotive Circuit Teste offers better ratings at $14.99.

What reviewers say

Synthesized from 40 reviews · 100% verified purchases.

Check included test leads and consider upgrading them for budget meters; for circuit breaker finders, allow time to learn the scanning process and always do a second pass over the panel.

Rating reliability

Extensively reviewed — highly reliable rating
🟢 Sold & shipped by Amazon

About KLEIN TOOLS

  • 66 products in our database
  • Average rating: 4.7/5 across all products
  • Price range: $9.97 – $699.98
  • Categories: carpentry-squares, Coolers, Flashlights, Hand Tool Sets, Headlamps, Knee Braces

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Frequently Asked Questions

Is the KLEIN TOOLS Klein Tools ET310 AC Circuit Breaker Finder, Electric and worth buying in 2026?

It earns a Mubboo Score of 5.6/10, with a 4.7/5 rating from 25,381 reviews — better than 83% of testers we track.

How much does the KLEIN TOOLS Klein Tools ET310 AC Circuit Breaker Fin cost?

It is currently $49.97 — premium-tier pricing for testers.

How does it compare to the top-rated testers?

The category leader DZZ Car Fuse Tester,Automotive Circuit Teste offers better ratings at $14.99.

Sources & References

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