United Scientific Supply Tuning Fork,Boxed Set Of

United Scientific Supply Tuning Fork Boxed Set of 13 includes a wooden box with foam lining Each tuning fork has a specific die-cut place in the foam lining for easy storage Also contains a mallet specially designed with one hard and one soft end for use with all frequencies of forks Contains one each of tuning forks with frequencies of 100, 128, 256, 288, 320, 3413, 348, 4266, 480, 512, 1021, 2048, and 4096 Hz - USS