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Testing, Measuring & Inspection > Dimensional Measurement Tools > Micrometers | Model 54-870-004 Xtra Mic II 4″/100 mm Electronic Micrometer | NA5554870004
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Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" inch Microphone, Professional Noise Decibel Calibration Tool Measurement (Digital Calibrator 94dB & 114dB with LCD) : Amazon.co.uk: DIY & Tools
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Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" inch Microphone, Professional Noise Decibel Calibration Tool Measurement (Digital Calibrator 94dB & 114dB with LCD) : Amazon.co.uk: DIY & Tools
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