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