Lwaviwer 2 Pack Tuning Fork 440HZ Virbration Tuning Fork with Resonance Box for Sound Therapy, Yoga, and Relaxation

Multi-: Tuning fork sets can demonstrate resonances and disturbances such as sound conduction of vibrations, disturbances, waves, frequencies and amplification of sound. Material: Two tuning forks are made of super- steel, allowing it to provide strong vibrating frequency for long-term use. Frequency: Neat edges and corners, the is chrome plated, the frequency is 440 cycles per second. Application: Can be used as a -purpose tuning fork for various experiments, such as the sound of the occurrence, interference etc.