Photo 1 of Mechanical Metronome Wood Grained Loud Sound/High Precision/No batteries Needed/for Piano/Guitar/Violin/Drum and Other Instruments (Tower design)

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Photo 1 of Mechanical Metronome Wood Grained Loud Sound/High Precision/No batteries Needed/for Piano/Guitar/Violin/Drum and Other Instruments (Tower design)Photo 2 of Mechanical Metronome Wood Grained Loud Sound/High Precision/No batteries Needed/for Piano/Guitar/Violin/Drum and Other Instruments (Tower design)