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Mercury 990 Tube Tester. Overall appearance is very good. Only significant blemish I see is a melt mark on meter cover, doesn't interfere with needle movement. Handle very good. Original power cord very good. No instructions or tube data. Not tested except it was powered up, no smoke. There is no "line adjust" so I couldn't even test that. Approximate size in inches 7.5W, 6.5D, 3H. Item #9052

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