United Scientific Supplies TFBOX13 Tuning Fork Boxed Set of 13 pcs, 100 HZ to 4096 HZ

Tuning Fork Boxed Set of 13 includes a wooden box with foam lining. Each aluminum alloy 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, 341.3, 384, 426.6, 480, 512, 1024, 2048, and 4096 Hz.