Convenient assortments of tuning forks. Made of aluminum alloy. The frequency and scale letter is stamped on each fork. Set of 8 includes a storage box.

Set of 8 contains frequencies of 256, 288, 320, 341.3, 384, 426.6, 480, and 512 Hz.
Set of 13 contains frequencies of 100, 128, 256, 288, 320, 341.3, 384, 426.6, 480, 512, 1024, 2048, and 4096 Hz.