It's a tuning fork, it has one job to do and it does it well. It's not as expensive as others you can purchase, but the resonance is brilliant, good enough to tune the autoharp I was pitching, and fun to show the kids a bit about frequencies when they put it on their head to hear the note.
It's a good tuning fork for it's price. Rings for a good 10 seconds and so, which is enough to have a reference. Easy to carry around in its little cover. I tested it with tuners and it's pitch-perfect.
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