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D'Addario NS Micro Soundhole Tuner

D'Addario NS Micro Soundhole Tuner Designed specifically for acoustic guitar, ukulele, and other acoustic instruments, the chromatic NS Micro Soundhole Tuner remains perfectly concealed within the instrument?s soundhole for discreet tuning. Fast, accurate response Non-marring soundhole clip Multi-color display Calibration range 435-445 Hz Designed to work with soundboards up to .150" (3.81MM) in thickness