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Can the Klein Tools 935DAG be used on non-metal surfaces?

Published: March 8th, 2024
2 min read
Last Updated: May 28th, 2024
Klein Tools 935DAG Digital Electronic Level and Angle Gauge, Measures 0 - 90 and 0 - 180 Degree Ranges, Measures and Sets Angles
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The Klein Tools 935DAG is mainly designed with a strong magnetic base that helps it stick to metal surfaces like pipes and saw blades, which can be really convenient for working with metal.

But if you're asking whether it can work on non-metal surfaces, the answer is yes, though there are a few things to keep in mind.

On non-metal surfaces, the magnetic base won't help with stability, so you'll need to make sure the level is sitting flat to get an accurate reading. Calibration is pretty important here. Our research shows that the base of the gauge can be sensitive to changes in surface flatness, so you'll want to calibrate it on a truly flat and clean spot. If the surface is warped or not perfectly flat, it might mess with the accuracy.

Some folks say the calibration process can be a bit finicky, so it's good to follow the directions closely to keep your readings spot-on. Also, recalibrating it each time you switch surfaces or environments is a smart practice to keep things accurate.

One more thing to consider: while the display works great indoors, it might not be as easy to see in bright outdoor light. Plus, it tends to go through batteries quicker than you might like, so it might be a good idea to have some extras handy for longer tasks.

If you ever run into consistent alignment or reading issues, reaching out to Klein Tools for help could be beneficial. Even though this tool is better suited for metal, with some extra care in calibration and use, you can still get good results on non-metal surfaces.

Lowest at Amazon
$32.97 at Amazon
Price seen Oct 31, 2026
Lowest at any Popular Retailer
$29.97 at Tool Nut
Price seen Oct 24, 2024

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How we researched this

Where this comes from: this answer draws on the product's published specifications and the reviews ShopSavvy collected for it, alongside prices from 17 retailers in ShopSavvy's price data, most recently seen Oct 31, 2026.

Where to Buy

Prices last seen Oct 24, 2024 to Oct 31, 2026
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$29.97Oct 24, 2024
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$29.97Oct 24, 2024
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$29.97Oct 24, 2024
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$29.97Oct 24, 2024
may have changed
$29.97Oct 24, 2024
may have changed

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