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Quickly and accurately check compression on petrol engines.
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Thead sizes:M18×1.5,M14×1.25,M12×1.25,M10×1.0
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With one more pcs rare adaptor M16
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the material of the adaptors are made of cooper.
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gauge read from 0-300psi &0-2000kpa
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this compression tester kit fit for the petrol engines.