Those sets of tuning forks come in a wooden box with foam lining. Each set contains a mallet specially design to use with all frequencies of forks. This mallet has one hard and one soft end. The 8 forks set contains one of each frequency: 256, 288, 320, 340.8, 384, 426.6, 480 and 512 Hz. The 13 forks set contains the same frequencies and those one in addition: 100, 128, 1024, 2048 and 4096 Hz. |
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