These tuning forks are designed for physics experiments and are tuned to scientific pitch.
Includes 13 tuning forks. Frequencies included: C-256 Hz, 261.6 Hz, 293.7 Hz, 392 Hz, D-288 Hz, 329.6 Hz, F-320 Hz, F-341 Hz, G-384 Hz, A-426 Hz, 455 Hz, B-480 Hz, C-512 Hz
Supplied in wooden box.