For a cheap little spirit level they work great. completely flat and even, while the other sides are slightly offset. I just turn it over on a flat surface and use the side that has the bubble furthest in the center. 😉 Very easy to use. Install them on every corner of my trailer. Very nice👌
Digital multimeter RGK DM-12
6 Review
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🌡️ Continuous Temperature Monitoring with Relative Humidity Integration
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🔍 Контроллер диоксида для цифрового газового мониторинга
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