Features F512 TUNING FORK: This is a basic acoustic instrument, demonstrating the occurrence of sound, sound interference, can determine the speed of sound and verify the conduction of sound waves and can do other acoustic experiments 512HZ FREQUENCY: This tuning fork can be tuned to 512Hz and is believed to resonate perfectly with nature and the universe. Under the guidance of this melodic frequency, experience a deep peace of mind and body, creating the ideal environment for meditat WOOD RESONATOR ELEGANCE: This wood resonator not only provide superior sound transmission, but also add a touch of elegance to the product. The texture of wood inject warmth into your meditation space, creating a peaceful and healing feel PERFECT GIFT CHOICE: Whether you're a yoga enthusiatic, meditation professional, or a friend looking for physical and mental balance, this 512Hz tuning fork set is the perfect gift choice FUNCTIONS AND USES: Tuning fork set can share the melody of pure tranquility as a gift of deep meaning to your loved one, they will be surprised, useful and practical Specification: Item Type: Tuning Fork Set Material: Rubber, No.45 round steel, beech Package List:1 x Wooden Resonator Box1 x Tuning Fork1 x Hammer Package List 1 x Wooden Resonator Box 1 x Tuning Fork 1 x Hammer